T2 at Mid-Ohio Sports Car Course

2019-01-01 T2 Errors, Omissions, and Updates (Various)

#22414 from Darren Seltzer · Rule change · TB 19-01 (2019-01 Fastrack)

In T4, remove the following from the header in the spec line table:
Wheel Size(in.)/ Mat’l.
In T4, Toyota Celica GT (00-05), add to spec line as follows:
Wheelbase: 2600
Wheel size: 15 x 7
In T4, Kia Forte Koup and Sedan LX/EX (2010-), add years as follows:
(2010-2013)
In T4, Kia Forte Koup and Sedan SX (2010-), add years as follows:

2019-01-01 T2 Request to classify 2015 Cayman GTS 3.4L in T2

#25335 from Dennis Moser · Rule change · TB 19-01 (2019-01 Fastrack)

In T2, Porsche Cayman S (13-14), add model and change years as follows:
“Porsche Cayman S/GTS (13-14) (13-15)”

2019-01-01 T2 Request for 2017-2018 Honda Civic Type R - 4 BOP Grill

#25513 from Darin Treakle · Rule change · TB 19-01 (2019-01 Fastrack)

In T2, Honda Civic Type-R (2017-), add to the notes as follows:
“Alternate grill Cuztom Tuning FG-CIV16-V3-TR-BK allowed.”

2019-01-01 T2 Add Clarification to Spec Car Classifications Vehicle Spec

#25774 from Touring Committee · Rule change · TB 19-01 (2019-01 Fastrack)

Lines
In T1, Porsche Cayman GTS (2011), add to notes as follows:
“Must conform to 7/15/2015 version 15 VTS. TC aftermarket ABS controller allowed. PDK
Permitted +100lbs. No other touring modifications or allowances permitted beyond the noted
VTS and these spec line allowances.”
In T1, Audi TTRS (GTS 2011 Spec), add to notes as follows:
“Must conform to December 14th, 2011 revision 3 GTS rules. No other touring modifications
or allowances permitted beyond the noted GTS rules allowances.”

2019-01-01 T2 Clarify Subframe Bushings Permitted for T2-T4

#25800 from Touring Committee · Rule change · TB 19-01 (2019-01 Fastrack)

In GCR section 9.1.9.2.i.7, make changes as follows:
“Fluid filled motor mounts, fluid filled transmission mounts, and fluid filled differential
mounts and sub-frame bushings may be replaced with non spherical non-metallic
mounts. Sub-frame bushings may be replaced with non-spherical bushings; any material
allowed. Mounts that are replaced may serve no other function or provide any other
performance improvement or alteration than the original purpose.”

2019-03-01 T2 Request Mustang GT Limited Prep 2018 Classification

#24431 from Joe Aquilante · Rule change · TB 19-03 (2019-03 Fastrack)

In T1-LP, Ford Mustang GT (2015-), add to the year as follows:
“(2015-2017)”
In T2, Ford mustang GT 5.0L (2015-), add to the year as follows:
“(2015-2017)”
In T3, Ford Mustang V6 (2015-), add the year as follows
“(2015-2017)”
In T1-LP, classify the Ford Mustang GT 5.0L (2018-) as follows:

A specification table follows in the original; it is not shown here.

2019-03-01 T2 Request to Classify 2018 Audi TT RS

#25961 from Matt Jensen · Rule change · TB 19-03 (2019-03 Fastrack)

In T2, classify the Audi TT RS (2018 -) as follows:
T2 Bore x Stroke/

A specification table follows in the original; it is not shown here.

2019-03-01 T2 Request for Adjustments on 2017+ Civic Type R

#25969 from Darin Treakle · Rule change · TB 19-03 (2019-03 Fastrack)

In T2, 2017 Civic Type R, make changes to the sway bar in the notes as follows:
“HPD Spring FR 51401-FC4Y-R6; HPD Spring RR 800LB 52441-FC4YR6; HPD Adjustable
RR Upper Arm 52390-F23S-A6; HPD ABS Modulator 57100-F23S-R6; 38mm TIR required.
Any sway bar front/rear up to 30mm allowed. Front springs up to 800lb allowed, rear springs
up to 2000lb allowed.”

2019-03-01 T2 Correct Mazda MX-5 Hard Top Notes

#26137 from Touring Committee · Rule change · TB 19-03 (2019-03 Fastrack)

In T4, Mazda MX-5 / Club Model (06-15), make changes to the notes as follows:
“Mazdaspeed MX-5 roof permitted #0000-07-5901-CC or #0000-07-5901 (discontinued DG
Motorsports) with +20lb increase to base weight. The SM5 suspension (only) is allowed with
a 100 lbs. weight increase. Non-OEM limited slip differential allowed with +50 lbs. weight
penalty. Any hard top following the OEM silhouette allowed. Any OEM or aftermarket hardtop
is permitted that retains the OEM roof silhouette, including Mazda hardtop part # 0000-07-
5902-ND and part #0000-07-5901 (discontinued DG Motorsports).”
In T4, Mazda MX-5 Miata/Club (2016-), make changes to the notes as follows:

2019-03-01 T2 Consider opening class rules to allow any thermostat

#26187 from Touring Committee · Rule change · TB 19-03 (2019-03 Fastrack)

In T2-T4, GCR section 9.1.9.2.D.i, add new wording as follows:
“9. Any thermostat is allowed provided it serves no purpose other than the OE intent.”

2019-03-01 T2 Ford Mustang Boss 302 (12-13) - correct weight

#26287 from Touring Committee · Rule change · TB 19-03 (2019-03 Fastrack)

In T2, Ford Mustang Boss 302 (12-13), change the weight as follows:
“3550 3500”

2019-03-01 T2 Request camber correction 005-2013 corvette C6

#26288 from Kurt Rezzetano · Rule change · TB 19-03 (2019-03 Fastrack)

In T2, Chevrolet Corvette C6 Coupe /Grand Sport(05-13), strike the wording in the notes as
follows:
“3.0 degrees MAX front camber.”

2019-03-01 T2 Request 98-02 Firebird 98-02 Camaro reloacte rear spring

#26291 from Kurt Rezzetano · Rule change · TB 19-03 (2019-03 Fastrack)

In T2, Pontiac Firebird (98-02), add to the notes as follows:
“Spring relocation to shock permitted.”
In T2, Chevrolet Camaro SS (98-02), add to the notes as follows:
“Spring relocation to shock permitted.”

2019-03-01 T2 Cap 2016 Mazda Miata year at 2018

#26388 from Club Racing Board · Rule change · TB 19-03 (2019-03 Fastrack)

In T3, Mazda MX-5 Miata (2016-), make changes to years as follows:
“(2016-2018)”
In T4, Mazda MX-5 Miata/Club (2016-), make change to years as follows:
“(2016-2018)”

2019-03-01 T2 Class Ford Mustang GT 2018+ (reference letter 24431)

#26400 from Touring Committee · Rule change · TB 19-03 (2019-03 Fastrack)

In T2, classify the Ford Mustang GT 5.0L (2018-) as follows:

A specification table follows in the original; it is not shown here.

2019-04-01 T2 Request for Removal of Rear Anti-roll Bar in T2 Mustang GT

#26533 from Preston Calvert · Rule change · TB 19-04 (2019-04 Fastrack)

In GCR section 9.1.9.2.D.5.b.1, make changes as follows:
“Springs and anti-roll bar(s), shall remain as manufactured unless an alternate is listed on the
vehicle specification line. Anti-Roll bars may be removed or disconnected

2019-05-31 T2 2018+ Audi TT RS Suspension Allowances

#26631 from Matt Jensen · Rule change · TB 19-06 (2019-06 Fastrack)

In T2, Audi TT RS (2018-), add to notes as follows:
"Front sway bar 30mm max. Rear sway bar 28mm max. Springs up to 1200lb/in, front and rear
allowed. Aftermarket intercooler allowed, part number TBD."

2019-05-31 T2 Request BOP adjustment for 2018 Honda Civic Type R-TIR removal

#26882 from Marty Grand · Rule change · TB 19-06 (2019-06 Fastrack)

In T2, Honda Civic Type-R (2017-), make changes to weight and notes as follows:
"2900 3050"
HPD CAT Delete pipe 18150-F23S-R6; HPD 4th Gear Set 23460-F23S-R6; HPD Differential 41100-F23S-R6; HPD
RR Damper Mount 52670-F23S-A6; HPD RR Spring Adjuster 52691-F23S-A6; HPD Adjustable RR Upper Arm
52390-F23S-A6; HPD ABS Modulator 57100-F23S-R6; 38mm 50mm TIR required. Alternate grill Cuztom Tuning
FG-CIV16-V3-TR-BK allowed. Any sway bar front/rear up to 30mm allowed. Front springs up to 800lb allowed, rear
springs up to 2000lb allowed.

2019-07-01 T2 Request to change Cadillac CTS-V years from 06-07 to 04-07

#26842 from Drew Cattell · Rule change · TB 19-07 (2019-07 Fastrack)

In T2, classify the Cadillac CTS-V (04-05) as follows:

A specification table follows in the original; it is not shown here.

2019-07-01 T2 Request to allow Hotchkiss front / rear sway bars on T2 CTS-V

#26845 from Drew Cattell · Rule change · TB 19-07 (2019-07 Fastrack)

In T2, Cadillac CTS-V (06-07), add alternate sway bar to the notes as follows:
“Alternate sway bar up to 36mm front, 25mm rear allowed."

2019-07-01 T2 Consider T2 06-07 Cadillac CTS-V BoP

#27022 from Touring Committee · Rule change · TB 19-07 (2019-07 Fastrack)

In T2, Cadillac CTS-V (06-07), add restrictor to the notes as follows:
“57mm flat plate restrictor required.”

2019-07-01 T2 Correct T2 Mustang tire size

#27024 from Touring Committee · Rule change · TB 19-07 (2019-07 Fastrack)

In T2, Ford Mustang GT 5.0L (2018-), make changes to the tire size as follows:
315 295

2019-08-31 T2 Request spare tire/wheel clarification

#27012 from Jim Weidenbaum · Rule change · TB 19-09 (2019-09 Fastrack)

In T2-T4, GCR section 9.1.9.2.D.9.d.3., make changes as follows:
"Spare tires and A any removable covers used to cover spare tires, tools, bins, etc., may be removed
along with attaching hardware and bracketry."

2020-01-01 T2 Clarification of On-Board Fire System for T2

#27183 from Paul Messier · Rule change · TB 19-09 (2019-09 Fastrack)

Effective 01/01/2020, In T2-T4, GCR section 9.1.9.2.D.10.c., make changes as follows:
"All cars shall have, as a minimum, a fire extinguisher meeting the specifications of GCR Section 9.3 Fire
System. Touring 2 cars must have a fire system installed. Touring Category Touring 3 and Touring
4 automobiles may be equipped with a fire system meeting the specifications of GCR Section 9.3 Fire
System."

2020-01-01 T2 Mustang Ecoboost and GT Transmission

#27439 from Carl Fung · Rule change · TB 20-01 (2020-01 Fastrack)

In T3, Ford Mustang EcoBoost (2015-), add as follows:
"4.24, 2.54,1.67, 1.24,1.00, 0.70 or 4.17, 2.34,1.52, 1.14,0.87, 0.69 or 4.696, 2.985, 2.146, 1.769, 1.520,
1.275, 1.000, .854, .689, .636"

2020-01-01 T2 Request for Dailey Engineering Dry Sump on 2010 Camaro SS

#27514 from Van Hunter · Rule change · TB 20-01 (2020-01 Fastrack)

In T2, Chevrolet Camaro SS/1LE (10-14), add to Notes as follows:
"1LE-SS Track Pack permitted. Tower Brace 2275 → 6880, oil-air separator 1265 → 3074, 75mm flat plate
restrictor required. Springs up to 1200#/in front and rear permitted. Hotchkis swaybars #22109, TPR
rear upper shock mount #22122, Pfadt lower control arm reinforcement # 1410135, ARE Dry Sump #
LS3-3Y, Petersen # 8009W, Aviad # 009-92200, ATI # 917239, DSS # GNCA10-A, Turn One #T40RBZ28P,
ZL1 front brake kit #22959672. GM Suspension Part # 2346 → 4729 and GM Aero Part #’s 2348 → 9551 &
2320 → 0132 are allowed. ANZE Suspension Rear Shock Mount #:MT-Camaro-5-R-Race1 allowed. ACS 2010-
13 Z28 Spoiler #33-4-155 permitted on the 2010-13. Allow Ground Control rear shock mounting bracket

2020-01-01 T2 Request for Half Shafts - 2014 Camaro SS 1LE

#27584 from William Moore · Rule change · TB 20-01 (2020-01 Fastrack)

In T2, Chevrolet Camaro SS/1LE (10-14), add to Notes as follows:
"1LE-SS Track Pack permitted. Tower Brace 2275 → 6880, oil-air separator 1265 → 3074, 75mm flat plate
restrictor required. Springs up to 1200#/in front and rear permitted. Hotchkis swaybars #22109, TPR
rear upper shock mount #22122, Pfadt lower control arm reinforcement # 1410135, ARE Dry Sump #
LS3-3Y, Petersen # 8009W, Aviad # 009-92200, ATI # 917239, DSS # GNCA10-A, Turn One #T40RBZ28P,
ZL1 front brake kit #22959672. GM Suspension Part # 2346 → 4729 and GM Aero Part #’s 2348 → 9551 &
2320 → 0132 are allowed. ANZE Suspension Rear Shock Mount #:MT-Camaro-5-R-Race1 allowed. ACS
201013 Z28 Spoiler #33-4-155 permitted on the 2010-13. Allow Ground Control rear shock mounting

2020-01-01 T2 Request for Parity Among Vehicles

#27665 from Andrew Wickline · Rule change · TB 20-01 (2020-01 Fastrack)

In T2, Ford Mustang Boss 302 (12-13), change Notes as follows:
“The following parts are allowed: GT/CS Front Fascia #BR3Z-17626-AA, GT/CS Rear Fascia #AR3Z-
17F828-AA, Ford Accessories Spoiler #AR3Z-6344210-CA, 14” Brembo Brake Kit #M-2300-S, Rear Axle
Cover #M-4033-K, Spring Kit #M-5300-A (M-5310-A front, M5560-A rear. Rear spring relocation to shock
permitted with use of this kit), Strut Tower Brace #M-20201-S197, Swaybar Kit #M-5490-A, Jounce
Bumper Kit # M-5570-A, Panhard Bar #M-4264-A, Rear Lower Control Arms #M-5649-R1, Rear Upper
Shock Mount #M18197-A. Ford Racing oil pan #M-6675-M50BR permitted. Alternate metallic driveshaft
is allowed. Front bushing kit M-5638-C permitted. 54mm 56mm flat plate restrictor required. Maximum

2020-01-01 T2 Request for 2016-2020 Camaro SS Help

#27776 from Bob Demers · Rule change · TB 20-01 (2020-01 Fastrack)

In T2, Chevrolet Camaro, 1LE (2016-), change Weight as follows:
"3600 3550"

2020-01-01 T2 Request for Competitive Adjustments to Honda Civic Type R

#27839 from Marty Grand · Rule change · TB 20-01 (2020-01 Fastrack)

In T2, Honda Civic Type-R (2017-), change Weight as follows:
"3050 3000"
In T2, Honda Civic Type-R (2017-), change Notes as follows:
"HPD CAT Delete pipe 18150-F23S-R6; HPD 4th Gear Set 23460-F23S-R6; HPD Differential41100-F23S-
R6; HPD RR Damper Mount 52670-F23S-A6; HPD RR Spring Adjuster52691-F23S-A6; HPD Adjustable RR
Upper Arm 52390-F23S-A6; HPD ABS Modulator57100-F23S-R6; 50mm 51mm TIR required. Alternate
grill Cuztom Tuning FG-CIV16-V3-TR-BKallowed. Any sway bar front/rear up to 30mm allowed. Front
springs u p to 800lb allowed, rear springs up to 2000lb allowed, Aftermarket Intercooler allowed."

2020-01-01 T2 T4 RX8 Classification Error

#27902 from Raymond Blethen · Rule change · TB 20-01 (2020-01 Fastrack)

In T3, Mazda RX-8 Base/R3 (04-12), add as follows:
"Mazda RX-8 Base/R3/Sport/GT (04-12)"
In T4, Mazda RX-8 Base/R3 (04-12), add as follows:
"Mazda RX-8 Base/R3/Sport/GT (04-12)"

2020-01-01 T2 Request to add Toyota 86 GT to Spec Line

#27910 from John Heinricy · Rule change · TB 20-01 (2020-01 Fastrack)

In T3, Toyota 86 (2017-), add as follows:
"Toyota 86, GT (2017-)"
In T4, Toyota 86 (2017-), add as follows:
"Toyota 86, GT (2017-)"

2020-02-01 T2 Please Switch the Solstice GXP as Specified in T2, to T3

#27413 from Michael Pettiford · Rule change · TB 20-02 (2020-02 Fastrack)

In T3 Spec Lines, add T2 Spec information for Pontiac Solstice GXP Coupe / Convertible (07-09) with the
following changes in Max Wheel Size:
"18 x 8 9.5"
In T3 Spec Lines, add T2 Spec information for Saturn Sky / Convertible (07-09) with the following
changes in Max Wheel Size:
"18 x 8 9.5"
In T3 Spec Lines, add T2 Spec information for Saturn Sky / Convertible (07-09) with the following
changes in Weight:

2020-02-01 T2 Request for Two Piece Stop Tech Brake Rotors

#27582 from William Moore · Rule change · TB 20-02 (2020-02 Fastrack)

In GCR, Section 9.1.9.2.D.6.a.6., add as follows:
"In T2 only- Ferrous metal 2-piece rotors allowed, must be within 5% of OE diameter."

2020-02-01 T2 Request to Classify all Mazda RX8 Models in T3/T4

#27606 from Raymond Blethen · Rule change · TB 20-02 (2020-02 Fastrack)

In T3, change Spec Lines as follows:
"Mazda RX-8 Base/R3/Sport/GT (04-12)"
In T3, change Spec Lines as follows:
"Mazda RX-8 Base/R3/Sport/GT (04-12)"

2020-02-01 T2 Request for Alternative Brake Kit on Nissan 370Z

#27912 from RICHARD KULACH · Rule change · TB 20-02 (2020-02 Fastrack)

In T2, Nissan 370Z (09-17) / 370Z NISMO Edition (09-17), change Notes as follows:
"5300S-SS370 T-2 spring kit allowed; 54600-SS370 T-2 front and rear sway bar kit allowed. Sports
Package is allowed. Springs up to 1000 lbs/in front and rear allowed. 54010- SZ350 (F) and 55020-SZ350
(R) allowed. Cold Air Intake allowed. Header permitted - Part #14002-SS370. Rear spring relocation
permitted to allow coil over shocks. SPL suspension kit permitted that includes: rear camber arms #SPL
RLL Z34, SPL rear toe arms #SPL RTA Z34, SPL rear traction arms #SPL RTR Z34, SPL front camber arms
#SPL FUA Z34, SPL rear mid link #SPL RML Z34. Zspeed and Z1 alternative clutch slave permitted. The
following STOPTECH parts are allowed with a 50 Lb penalty: #83.488.6800.51 front, 83.657.0057.51

2020-02-01 T2 2015- Current Ecoboost Mustang

#27971 from Kurt Rezzetano · Rule change · TB 20-02 (2020-02 Fastrack)

In T2 Spec Lines, Ford Mustang Ecoboost 2.3 (2015-), change Weight as follows:
"3500 3400"
In T2 Spec Lines, Ford Mustang Ecoboost 2.3 (2015-), change Wheels as follows:
"18 x 11 19 x 11"
In T2 Spec Lines, Ford Mustang Ecoboost 2.3 (2015-), change Notes as follows:
"44mm 50mm TIR required. Speed Factory Intercooler, part # SF-55-002 permitted. BMR rear upper
control arm camber links part#UTCA064 permitted. Performance Package Brembo front BBK and
380mm one-piece rotors permitted (Ford PN M-2300-V) at +100lbs. Optional: 6 speed automatic

2020-02-01 T2 T2 Mustang

#28022 from Touring Committee · Rule change · TB 20-02 (2020-02 Fastrack)

In T2 Spec Lines, Ford Mustang GT5.0L (15-17), change Wheels as follows:
"18 x 11 19 x 11"
In T2 Spec Lines, Ford Mustang GT5.0L (15-17), change Notes as follows:
"Solid Differential Bushingspart#M-4425-M, Short Shift Kit part#M- 7210-M8, Solid Subframe Bushings
part#M- 5872-M, Dampers in Handling Pack part #M-18000-F, Ford OEM Performance Package
Brembofront BBK and 380mm rotors permitted (Ford PN M-2300-V) at no weight penalty+50lbs."
In T2 Spec Lines, Ford Mustang GT5.0L (2018-), change Notes as follows:
"Pack part #M-18000-F, Ford OEM Performance Package Brembo front BBK and 380mm rotors

Applies to Ford MUSTANG on this page: Scotty B White, Michael Kamalian

2020-03-01 T2 Request to Readjust the T2 Porsches

#27746 from Joe Aquilante · Rule change · TB 20-01 (2020-01 Fastrack)

In T2, Porsche 911/ 997 (06-08), change Notes effective 3/1/2020 as follows:
"Ducting for coolers is free, provided it doesn’t change size and/or shape of factory body panels. Ducting
of air to rotors is allowed Removal of rotor dust shields is allowed. Tender springs 60-60-25, and spring
holders ZT-1-X002A01 allowed. Springs up to 800#/in front and 1000 #/in rear allowed. Sway bar size
and configuration is free. Spoilers & bumper/ airdams are free provided they do not exceed the max.
body width by any amount and/or the max. body length by more than 1”. Rear wings may be no higher
than the roofline. Camber adjustment slots may be elongated. Porsche Motorsport front and rear
control arms allowed."

2020-04-01 T2 Limit Changes to the 997.2 Porsche

#28242 from Thomas Herb · Rule change · TB 20-04 (2020-04 Fastrack)

In T2, Porsche 911 / 997 (06-08) Spec Lines, add to Notes as follows:
"OEM rear deck lid required. OE Porsche GT3 Cup front fascia number "997-505-980-97-G2X FRONT
BUMPER GT3 CUP" or equivalent aftermarket allowed (+75lb). GT3 Cup splitter not allowed."
In T2, Porsche 911 / Carrera S 997.2 (09-12) Spec Lines, add to Notes as follows:
"OEM rear deck lid required. OE Porsche GT3 Cup front fascia number "997-505-980-97-G2X FRONT
BUMPER GT3 CUP" or equivalent aftermarket allowed (+75lb). GT3 Cup splitter not allowed."

2020-04-01 T2 Correct T2 Mustang Transmission

#28732 from Touring Committee · Rule change · TB 20-04 (2020-04 Fastrack)

In T2, Ford Mustang GT 5.0L (15-17) Spec Lines, change Gear Ratios as follows:
"3.66, 2.43, 1.69, 1.32, 1.00, 0.65 or 4.69, 2.98, 2.14, 1.76, 1.52, 1.27, 1.00, 0.85, 0.68, 0.63"

2020-05-01 T2 Please Add the Following BBK to Allowed List for E92 M3

#28421 from ALI SALIH · Rule change · TB 20-05 (2019-05 Fastrack)

In T2, BMW E92 M3 (08-14), add to notes as follows:
"AP Racing: Front Part Number 13.01.10038, Rear Part Number 13.01.10053 permitted."

2020-05-01 T2 C5 Weight Adjustment

#28433 from Steven Glaab · Rule change · TB 20-05 (2019-05 Fastrack)

In T2, Chevrolet Corvette C-5 Incl. Fxd Cpe (98-04) Z06 (hardtop) (01-04), change weight as follows:
"3225 3175 (w/45mm flat plate restrictor)
3400 3350 (w 55mm flat plate restrictor, only permitted when using OEM Wheels and Stock Brakes)"

2020-05-01 T2 Z3M Roadster Weight

#28437 from Ryan Ciechanski · Rule change · TB 20-05 (2019-05 Fastrack)

In T3, BMW Z3 M & Coupe, add years and change weight as follows:
"(98-99)"
"3350 3150"

2020-06-01 T2 Request to Classify 2004 Mercedes Benz 320 CLK

#27663 from Robert Gary · Rule change · TB 20-06 (2020-06 Fastrack)

In T4, classify the 2004 Mercedes Benz CLK 320 Coupe as follows:

A specification table follows in the original; it is not shown here.

2020-06-01 T2 Consider coil spring conversion Corvette in T2

#28824 from Touring Committee · Rule change · TB 20-06 (2020-06 Fastrack)

In T2 Spec Lines, Chevrolet Corvette C-5 Incl. Fxd Cpe (98-04) Z06 (hardtop) (01-04), add to Notes as
follows:
"Aftermarket leaf spring suspension allowed 800 lb max. Coilover suspension allowed coil springs
allowed 800 lb max."
In T2 Spec Lines, Chevrolet Corvette C6 Coupe / Grand Sport (05-13), add to Notes as follows:
"Aftermarket leaf spring suspension allowed 800 lb max. Coilover suspension allowed coil springs
allowed 800 lb max."
In T2 Spec Lines, Chevrolet Corvette Z06 (06-12), add to Notes as follows:

Applies to Chevrolet Corvette on this page: William Bolt

2020-07-01 T2 Request to Add a Vehicle to the Roster (contd.)

#27698 from Robert Gary · Rule change · TB 20-07 (2020-08 Fastrack)

Thank you for your letter. Please refer to letter #27663 in the June 2020 Fastrack.
What Do You Think

2020-07-01 T2 Request brake upgrade and electric power steering pump

#28946 from Eric McCoy · Rule change · TB 20-07 (2020-08 Fastrack)

In T2, Spec Lines, Porsche Cayman S, Spyder (10-12) , add to notes as follows:
"Ducting for coolers is free, provided it doesn’t change size and/or shape of factory body panels. Springs
up to 800#/in front and 1000 #/in rear allowed. Ducting of air to rotors is allowed. Porsche motorsports
item # 9913140158C allowed. Stop Tech calipers #83.788.6700.R1 (f) #83.799.0046.R1 (r )
allowed. Removal of rotor dust shields is allowed. Spoilers & bumper/airdams are free provided they do
not exceed the max. body width by any amount and/or the max. body length by more than 1”. Rear
wings may be no higher than the roofline. Sway bar size and configuration is free Camber adjustment
slots may be elongated. Porsche Motorsport rear and front control arms allowed. PDK allowed."

2020-08-01 T2 Request to correct GCR for 2018+ FORD Mustang GT & Ecoboost

#28803 from Carl Fung · Rule change · TB 20-08 (2020-08 Fastrack)

In T2, Ford Mustang EcoBoost (2015-), Gear Ratios, add as follows:
"4.24, 2.54,1.67, 1.24,1.00, 0.70 or 4.17, 2.34,1.52, 1.14,0.87, 0.69 or 4.696, 2.985, 2.146, 1.769, 1.520,
1.275, 1.000, .854, .689, .636"
In T2, Ford Mustang GT 5.0L (2018-), Gear Ratios, add as follows:
"4.24, 2.54,1.67, 1.24,1.00, 0.70 or 4.17, 2.34,1.52, 1.14,0.87, 0.69 or 4.696, 2.985, 2.146, 1.769, 1.520,
1.275, 1.000, .854, .689, .636"

2020-09-01 T2 Request to Clarify New 2-piece Brake Rotor Rule

#29106 from Andrew Aquilante · Rule change · TB 20-09 (2020-09 Fastrack)

In GCR, 9.1.9.2.D.6.a.6., change wording as follows:
"Stock replacement brake rotors may be obtained from sources other than the manufacturer provided they are the exact
equivalent of the stock rotors. In T2 only- Ferrous metal 2-piece rotors with ferrous metal rotor disks and aluminum hats
are allowed, must be within 5% of OE diameter."

2020-09-01 T2 please consider BoP for the following cars in T2

#29266 from Touring Committee · Rule change · TB 20-09 (2020-09 Fastrack)

In T2 Spec Lines, Chevrolet Corvette C-5 Incl. Fxd Cpe (98-04) Z06 (hardtop) (01-04), change Weight as follows:
"3475 3425"
In T2 Spec Lines, Chevrolet Camaro SS/1LE (10-14), change Weight as follows:
"3700 3650"
In T2 Spec Lines, Ford Mustang GT 5.0L (11-14), change Tire Size as follows:
"275 295"
In T2 Spec Lines, Ford Mustang Boss 302 (12-13), change Tire Size as follows:
"275 295"

Applies to Chevrolet Corvette on this page: William Bolt

Applies to Ford MUSTANG on this page: Scotty B White, Michael Kamalian

2020-09-01 T2 Request clarification on most recent approval by the Board

#29284 from Eric McCoy · Rule change · TB 20-09 (2020-09 Fastrack)

In T2 Spec Lines, Porsche Cayman S, Spyder (10-12), add to notes as follows:
"Ducting for coolers is free, provided it doesn’t change size and/or shape of factory body panels. Springs up to 800#/in front and
1000 #/in rear allowed. Ducting of air to rotors is allowed. Porsche motorsports item # 9913140158C allowed. Stop Tech calipers
#83.788.6700.R1 (f) #83.799.0046.R1 (r ) with 343 mm front rotor allowed."

2020-10-01 T2 Request 2018+ mustang swaybar update

#28659 from Carl Fung · Rule change · TB 20-10 (2020-10 Fastrack)

In T2 Ford Mustang GT 5.0L (15-17), add sway bar part number to the notes as follows:
"Ford Performance Handling Kit part #M-FR3A-M8, Sway Bars in M-FR3A-M8 kit part #M5490-E or M5490-G,"
In T2, Ford Mustang Ecoboost 2.3 (2015-), add sway bar part number to the notes as follows:
"Ford Performance Handling Kit part #M-FR3A-M8, Sway Bars in M-FR3A-M8 kit part #M5490-E or M5490-G,"
In T2, Ford Mustang GT 5.0L (2018-), add sway bar part number to the notes as follows:
"Ford Performance Handling Kit part #M-FR3A-M8, Sway Bars in M-FR3A-M8 kit part #M-5490-E or M5490-G,"

2020-12-01 T2 Request to Reevaluate T2 Spec Line for E92 M3

#28266 from ALI SALIH · Rule change · TB 20-12 (2020-12 Fastrack)

In T2, Spec Lines, BMW E92 M3 (08-14) change weight as follows:
"3525 3475"
In T2, Spec Lines, BMW E92 M3 (08-14) change Notes as follows:
"The following aftermarket brakes are allowed with an additional 75lb penalty: StopTech Brake Kit permitted: 380x35mm 6-
piston caliper Part# 83.160.6D00.XX(F) and 355 x 35mm 4-piston caliper Part #83.160.0047.XX (R). Brembo Brake kit permitted:
Front brake kit #1N2.8505A and rear brake kit #2P2.8033A. Alcon Brake Kit permitted: (F) part #BKF9751ZG70L 6-piston caliper
and (R) 4-piston caliper (R) part #BKR9856B20L. AP Racing: Front Part Number 13.01.10038, Rear Part Number 13.01.10053
permitted. Springs up to 800#/in front and rear allowed. Rear spring may be located on shock. Any front swaybar front 32.2mm

2020-12-01 T2 Request for Parity Among Vehicles Including S550 Mustang

#29486 from Andrew Wickline · Rule change · TB 20-12 (2020-12 Fastrack)

In T2, Chevrolet Corvette C-5 Incl. Fxd Cpe (98-04) Z06 (hardtop) (01-04) Spec Lines, change Weight as follows:
"3425 w/50 53mm flat plate restrictor) 3175 (w/45mm flat plate restrictor) 3350 (w 55 58mm flat plate restrictor, only permitted
when using OEM Wheels and Stock Brakes)"
In T2, Chevrolet Corvette C6 Coupe / Grand Sport (05-13) Spec Lines, change Notes as follows:
"C6 T1 Suspension kit and Z51 option allowed. Floor may be modified to facilitate installation of cage mounting plates
Removable roof panel shall be installed. The following parts are allowed: GM oil pan #12630477; GM radiator baffle # 25953429
(LS3 only); fan shroud, Phoenix part # 1005422; Canton Accusump part # CA24006 or # CA24024, along with Electric solenoid W/
epc # CA24273, Accusump Check Valve # CA2428, and Wheel to Wheel Adapter block # 0760-50001, and related hoses and

2020-12-01 T2 Alfa Romeo 4C Launch Edition

#29531 from John Weisberg · Rule change · TB 20-12 (2020-12 Fastrack)

In T3, Spec Lines, Alfa Romeo 4C (2015-), add to Notes as follows:
"Launch Edition allowed"

2021-01-01 T2 Request to Classify BMW M2 CS

#29523 from Victor Leleu · Rule change · TB 21-01 (2021-01 Fastrack)

In T2, classify the BMW M2 CS Cup 2020+ as follows:

A specification table follows in the original; it is not shown here.

2021-01-01 T2 350Z Rear Caliper Replacement

#29710 from Derek Kulach · Rule change · TB 21-01 (2021-01 Fastrack)

In T3, Spec Lines, Nissan 350Z Track/ Touring/ Standard/ Nismo (03-08), add to Notes as follows:
"44011-RC350 rear caliper kit permitted, 43206-SZ350 Right rotor permitted, 43207-SZ350 Left rotor permitted."
In T3, Spec Lines, Nissan 370Z (09-16) / 370Z NISMO Edition (09-13), add to Notes as follows:
"44011-RC350 rear caliper kit permitted, 43206-SZ350 Right rotor permitted, 43207-SZ350 Left rotor permitted."
In T3, Spec Lines, Nissan 350Z Track/ Touring/ Standard/ Nismo (03-08) Spec Z, add to Notes as follows:
"44011-RC350 rear caliper kit permitted, 43206-SZ350 Right rotor permitted, 43207-SZ350 Left rotor permitted."
In T2, Spec Lines, Nissan 350Z Track/ Touring/ Standard/ Nismo (03-08), add to Notes as follows:
"Stillen part #400338 permitted. 44011-RC350 rear caliper kit permitted, 43206-SZ350 Right rotor permitted, 43207-SZ350 Left

2021-01-01 T2 Request Mustang 8.8” rear axle replacement

#29860 from Randall Smart · Rule change · TB 21-01 (2021-01 Fastrack)

In T4, Spec Lines, Ford Mustang V6 (05-10), add to Notes as follows:
"GT 8.8 rear axle assembly with 3.55 final drive allowed with +25lb penalty."

2021-01-01 T2 Cap year range on all 86s

#29908 from Touring Committee · Rule change · TB 21-01 (2021-01 Fastrack)

In T3, Spec Lines, Scion FR-S/ Toyota 86, GT (13-20), change Year as follows:
"(13-20 21)"
In T3, Spec Lines, Subaru BRZ (13-20), change Year as follows:
"(13-20 21)"
In T4, Spec Lines, Subaru BRZ (2017-), change Year as follows:
"(20 17-21)"
In T4, Spec Lines, Toyota 86, GT (2017-), change Year as follows:
"(20 17-21)"

2021-02-01 T2 Request Addition of BMW M240iR

#29503 from Steve Streimer · Rule change · TB 21-02 (2021-02 Fastrack)

In T2, BMW M235iR (-2016), add to Notes the following:
"240iR/Evo package allowed with 50 lb penalty. Must run DOT tires."

2021-02-01 T2 2021 Toyota Supra

#29567 from Ryan Saari · Rule change · TB 21-02 (2021-02 Fastrack)

In T2, classify the Toyota Supra (2020-) as follows:
T2 Bore x
Stroke(mm)/ Disp.

A specification table follows in the original; it is not shown here.

2021-02-01 T2 Request Cold Air Intake for Honda Civic Type R

#29942 from Marty Grand · Rule change · TB 21-02 (2021-02 Fastrack)

In T2 Spec Lines, Honda Civic Type-R (2017-), add to the notes as follows:
"PRL Air intake allowed #PRL PRL-HCR-INT-HVI"

2021-02-01 T2 Adjust T2 spec line that was missed in T2 BOP

#30055 from Touring Committee · Rule change · TB 21-02 (2021-02 Fastrack)

In T2 Spec Lines, Porsche Carrera S (06-08), change as follows:
"Porsche Carrera S 997.2 (06-08)"
Weight (lbs): "3275 3225"
In T2 Spec Lines, Porsche 911/ 997 (06-08), change as follows:
"Porsche 911/ 997.1 (06-08)"

2021-02-01 T2 Fix T2 Mustang spec line

#30106 from Touring Committee · Rule change · TB 21-02 (2021-02 Fastrack)

In T2 Spec Lines, Ford Mustang GT 5.0L (15-17), change Gear Ratios as follows:
"3.66, 2.43, 1.69, 1.32, 1.00, 0.65 or 4.69, 2.98, 2.14, 1.76, 1.52, 1.27, 1.00, 0.85, 0.68, 0.63 4.17, 2.34, 1.52, 1.14, 0.87, 0.69"

Applies to Ford MUSTANG on this page: Scotty B White, Michael Kamalian

2021-02-01 T2 Z4 Wheel Size

#30113 from Patrick Womack · Rule change · TB 21-02 (2021-02 Fastrack)

In T2, Spec Lines, BMW Z4M (06-08), change Max. Wheel Size as follows:
"18 x 9 10"

2021-02-01 T2 Clarify T2 Spec lines

#30194 from Touring Committee · Rule change · TB 21-02 (2021-02 Fastrack)

In T2 Spec Lines, BMW M2 CS Cup 2020-, change Notes as follows:
"DOT approved tires required. All other components must be A as homologated from BMW Motorsports No other changes or
touring rule allowances permitted."
In T2 Spec Lines, BMW M235iR (-2016), change Notes as follows:
"DOT approved tires required. All other components must be Aas homologated from BMW Motorsports No other changes or
touring rule allowances permitted. Must conform to World-Challenge VTS 2/25/2016 rev.2."

Applies to BMW M2 CS on this page: Aaron Kaplan, Russell King, Steven Greenhill

2021-03-01 T2 Request BMW M2CS door glass removal

#30254 from Nathan McBride · Rule change · TB 21-03 (2021-03 Fastrack)

In T2 Spec Lines, BMW M2 CS Cup 2020-, add to Notes as follows:
"It is permitted to remove door glass and mechanism."

Applies to BMW M2 CS on this page: Aaron Kaplan, Russell King, Steven Greenhill

2021-04-01 T2 Request consistency review in GCR

#30263 from Randall Smart · Rule change · TB 21-04 (2021-04 Fastrack)

In GCR, Section 9.1.9.2.D.1.i.5., change as follows:
"T2-T4 only: Any clutch disc and pressure plate of OEM diameter may be used, provided that they shall be bolted directly to an
unmodified stock flywheel and is no lighter than 95% of the factory OEM clutch disc and pressure plate."

2021-04-01 T2 Class Spec Corvette in T2?

#30297 from Touring Committee · Rule change · TB 21-04 (2021-04 Fastrack)

In T2 Spec Lines, classify Spec Corvette as follows:

A specification table follows in the original; it is not shown here.

2021-04-01 T2 E92 BMW Spring Rate Request

#30391 from Harley Kaplan · Rule change · TB 21-04 (2021-04 Fastrack)

In T2 Spec Lines, BMW E92 M3 (08-14), change notes as follows:
"Springs up to 800 1000#/in front and rear allowed."

2021-04-01 T2 Please correct recent T2 Spec Line

#30401 from Touring Committee · Rule change · TB 21-04 (2021-04 Fastrack)

In T2 Spec Lines, Toyota Supra (2020-), change Notes as follows:
"Springs allowed 800# max (f) 1000 max (r)"

2021-05-01 T2 C5/6 Corvette in T1, T1-LP and T2 Dry Sump Standardization

#29046 from Steven Glaab · Rule change · TB 21-05 (2021-05 Fastrack)

In T2 Spec Lines, Chevrolet Corvette C-5 Incl. Fxd Cpe (98-04) Z06 (hardtop) (01-04), add to notes as follows:
"OEM or equivalent carbon fiber hood is allowed. ARE dry sump kit #3021S, Dailey 20-02-0666 or Aviad dry sump kit #008-10001
allowed."
In T2 Spec Lines, Chevrolet Corvette C6 Coupe / Grand Sport (05-13), add to notes as follows:
"Trimming of the lower edge of the center of the air dam is allowed up to a depth of 3.9 cm. Dailey Dry Sump #20-02-0666
permitted, ARE dry sump system part #3021 S permitted;"
In T2 Spec Lines, Chevrolet Corvette Z06 (06-12), add to notes as follows:
"Trimming of the lower edge of the center of the air dam is allowed up to a depth of 3.9 cm. Dailey Dry Sump #20-02-0666

Applies to Chevrolet Corvette on this page: William Bolt

2021-05-01 T2 Request for Chevrolet Camaro 1LE (2016-) Auto Trans

#29067 from William Moore · Rule change · TB 21-05 (2021-05 Fastrack)

In T2 Spec Lines, Chevrolet Camaro, 1LE (2016-), change as follows:
Gear Ratios:
"Auto - 4.70, 2.99, 2.15, 1.80, 1.52, 1.28, 1.00, .85, .69, .64"
Final Drive:
"Manual - 3.73
Auto - 2.77"

2021-05-01 T2 Request E46 M3 Minimum Competition Weight

#29429 from Ryan Szyjakowski · Rule change · TB 21-05 (2021-05 Fastrack)

In T2 Spec Lines, BMW M3 (01-06), change Weight as follows:
"3100 3000"

2021-05-01 T2 Request to add 2015 to Chevrolet Camaro SS/1LE 2010-2014

#29736 from William J. Moore · Rule change · TB 21-05 (2021-05 Fastrack)

In T2 Spec Lines, Chevrolet Camaro SS/1LE (10-14), change as follows:
"(10-14 5)"

2021-06-01 T2 Civic Type R Brake Rotors

#29817 from Touring Committee · Rule change · TB 21-06 (2021-06 Fastrack)

In T3 Spec Lines, Honda Civic Type-R(2017-), add to notes as follows:
"2020+ model years allowed part #45251-TGH-A01 with a 25lb penalty."

2021-06-01 T2 Mustang S550 Parity in T2

#29925 from Scotty White · Rule change · TB 21-06 (2021-06 Fastrack)

In T2 Spec Lines, Ford Mustang GT 5.0L(15-17), change Notes as follows:
"55mm 58mm"
In T2 Spec Lines, Ford Mustang GT 5.0L (2018-), change Notes as follows:
"53mm 55mm"

Applies to Ford MUSTANG on this page: Scotty B White, Michael Kamalian

2021-06-01 T2 Request BOP on BMW Z4 T2 car

#30597 from Derrick Ambrose · Rule change · TB 21-06 (2021-06 Fastrack)

In T2 Spec Lines, BMW Z4M(06-08), change weight as follows:
"3100 3150"

2021-06-01 T2 E92

#30639 from Touring Committee · Rule change · TB 21-06 (2021-06 Fastrack)

In T2 Spec Lines, BMW E92M3 (08-14), change as follows:
Weight: "3475 3425"
Notes: "80mm 77mm"

2021-07-01 T2 Request

#30406 from John Paul Jose · Rule change · TB 21-07 (2021-07 Fastrack)

In T2 Spec Lines, BMW M2 CS Cup 2020-, change Weight as follows:
"3625 00"
In T2 Spec Lines, BMW M2 CS Cup 2020-, add to Notes the following:
"It is mandatory to run the "Purple" power stick #TBD. Hot country package allowed including part numbers: (aKMK LH 17 10
8342846 1, aKMK RH 17 10 8328139 1, 17 10 8328135 1, 17 10 8328136 1, 17 10 8328137 1, 17 10 8328138 1, ISO7380-2 M5X14
10.9 ZNSW 17 10 8436008 2, 17 10 8417424 1.)"

Applies to BMW M2 CS on this page: Aaron Kaplan, Russell King, Steven Greenhill

2021-08-01 T2 997.1 EO

#30933 from Touring Committee · Rule change · TB 21-08 (2021-08 Fastrack)

In T2 Spec Lines, Porsche 911/ 997.1 (06-08), add to Notes the following:
"Alternate exhaust manifold Cargraphicts CARP97DFIFKR allowed."

2021-09-01 T2 BMW M2 CS Power Stick Part Number

#31087 from SCCA Staff · Rule change · TB 21-09 (2021-09 Fastrack)

In T2 Spec Lines, BMW M2 CS Cup 2020-, change notes as follows:
"It is mandatory to run the “Purple” power stick #TBD part #8324089."

Applies to BMW M2 CS on this page: Aaron Kaplan, Russell King, Steven Greenhill

2021-11-01 T2 Request to Classify 2014 VW Jetta 1.8t TSI

#30436 from Warren Williams · Rule change · TB 21-09 (2021-09 Fastrack)

In T4 Spec Lines, change as follows effective 11/1/21:
"Volkswagen Passat, Jetta 1.8T (2014-)"

2021-11-01 T2 Request new car 2017 BMW M2

#30486 from David Tuaty · Rule change · TB 21-09 (2021-09 Fastrack)

In T2 Spec Lines, classify BMW M2 (2017+) as follows effective 11/1/2021:

A specification table follows in the original; it is not shown here.

Applies to BMW M2 CS on this page: Aaron Kaplan, Russell King, Steven Greenhill

2021-11-01 T2 Request to Classify Porsche 997.2 GTS in T2 (body not = to C2S)

#30686 from John Paul Jose · Rule change · TB 21-09 (2021-09 Fastrack)

In T2 Spec Lines, classify Porsche 911 997.2 GTS (09-12) effective 11/1/21:

A specification table follows in the original; it is not shown here.

2021-12-01 T2 Typo for BMW M2 CS Cup 2020

#31173 from Charlie Peter · Rule change · TB 21-12 (2021-12 Fastrack)

In T2 Spec Lines, BMW M2 CS Cup 2020-, change Brakes (mm) as follows:
"(R) 390 380"

Applies to BMW M2 CS on this page: Aaron Kaplan, Russell King, Steven Greenhill

2022-01-01 T2 Touring 2 BOP adjustments for 2022

#31480 from Touring Committee · Rule change · TB 22-01 (2022-01 Fastrack)

In T2 Spec Lines, Dodge Viper SRT-10 incl. coupe (03-06), change as follows:
Weight (lbs): "3600 3550"
Notes: "Throttle restrictor between each throttle body and plenum is mandatory: .060” flat steel plate with one 43 41mm hole."

Applies to Dodge Viper on this page: Scotty B White

2022-01-01 T2 Reply to letter 29879 T2-T4 Grill Openings

#31486 from Andrew Aquilante · Rule change · TB 22-01 (2022-01 Fastrack)

In T2-T4, GCR section 9.1.9.2.D.8.a.8, clarify as follows:
"Exclusively for For the sole purpose of engine radiator cooling purposes, it is permitted to remove the outermost non-metallic
webbed false grill openings that are closed in mesh style factory grill openings. Maximum allowable increase in grill opening area
is 16 square inches. The modified grill opening mesh shape and contour must be retained as delivered from the manufacturer.
This allowance does not permit modification to dedicated brake-only or intercooler-only grill openings. (Note - It is the
competitor’s responsibility to be able to verify that 16 or fewer square inches have been removed.)"

2022-01-01 T2 Request to clarify radiator hoses

#31682 from Touring Committee · Rule change · TB 22-01 (2022-01 Fastrack)

In GCR, Section 9.1.9.2.D.3.a., add the following:
"3. Radiator and coolant hoses may be replaced with aftermarket options. Modification for coolant temp sensors is permitted."

2022-01-01 T2 Clarify Permitted/Allowed

#31743 from Touring Committee · Rule change · TB 22-01 (2022-01 Fastrack)

In GCR, Section 9.1.9.2.C.4., add the following"
"b. Spec lines may include modifications that are "permitted" or "allowed". This means that they are a permitted as alternatives
to the allowances written into the category rules. For example "Koni shock #xxxxxxx allowed" implies that you could use the Koni
option or any option that complies with the category rules."

2022-01-01 T2 SMG

#31837 from Touring Committee · Rule change · TB 22-01 (2022-01 Fastrack)

In T2 Spec Lines, Spec Mustang, change Model as follows:
"Ford Spec Mustang"

2022-02-01 T2 BMW Z4M Adjustment

#31885 from Patrick Womack · Rule change · TB 22-02 (2022-02 Fastrack)

In T2 Spec Lines, BMW Z4M (06-08), change Weight as follows:
"3150 3100"

2022-03-01 T2 Reply to letter #31486/29879 T2-T4 Grill openings

#31935 from Andrew Aquilante · Rule change · TB 22-03 (2022-03 Fastrack)

In T2-T4, GCR Section 9.1.9.2.D.8.a.8., change as follows:
"For the sole purpose of engine radiator cooling, it is permitted to remove the outermost non-metallic webbed false grill
openings that are closed in mesh style factory grill openings. Maximum allowable increase in grill opening area is 16 square
inches. The modified grill opening mesh shape and contour must be retained as delivered from the manufacturer. This allowance
does not permit modification to dedicated brake-only or intercooler-only grill openings. Note - It is the competitor’s
responsibility to be able to verify that 16 or fewer square inches have been removed."

2022-03-01 T2 C6 Restrictor Help

#31995 from Brian LaCroix · Rule change · TB 22-03 (2022-03 Fastrack)

In T2 Spec Lines, Chevrolet Corvette C6 Coupe / Grand Sport (05-13), change Notes as follows:
"LS2: 56 58mm"

2022-04-01 T2 Request to Allow the Use of Aftermarket ECU's in Touring

#31067 from Harley Kaplan · Rule change · TB 22-04 (2022-04 Fastrack)

In T2-T4, GCR Section 9.1.9.2., Introduction, add as follows:
“Touring car eligibility: Cars are eligible for the class they are listed with a specification line and with the specific allowances
permitted. In addition T2-T4 cars may race one class up in touring classes above their specification line class as long as they are a
legal T2-T4 car and conform to their specification line allowances as classified.
Note-Model year cars 2018 or later may request a spec line adjustment which permits use of a non-oem ECU with a 75# weight
addition.”

2022-04-01 T2 BMW M2 CS Cup 2020- Exhaust

#32243 from Charlie Peter · Rule change · TB 22-04 (2022-04 Fastrack)

In T2 Spec Lines, BMW M2 CS Cup 2020-, change Notes as follows:
"DOT approved tires required. All other components must be as homologated from BMW Motorsports. No other changes or
Touring rule allowances permitted unless noted below. It is permitted to remove door glass and mechanism. It is mandatory to
run the “Purple” power stick part #8324089. BMW exhaust part # 18302459928 allowed. Hot country package allowed including
part numbers: (aKMK LH 17 10 8342846 1, aKMK RH 17 10 8328139 1, 17 10 8328135 1, 17 10 8328136 1, 17 10 8328137 1, 17
10 8328138 1, ISO7380-2 M5X14 10.9 ZNSW 17 10 8436008 2, 17 10 8417424 1.)"

Applies to BMW M2 CS on this page: Aaron Kaplan, Russell King, Steven Greenhill

2022-04-01 T2 RequestT2 classification- 2022 Cadillac CT4-V Blackwing

#32263 from Derek Zalewski · Rule change · TB 22-04 (2022-04 Fastrack)

In T2 Spec Lines, classify Cadillac CT4-V Blackwing (2022+) as follows:

A specification table follows in the original; it is not shown here.

Applies to Cadillac CT4 Blackwing on this page: John Heinricy

2022-05-01 T2 Request Alternate Front & Rear Strut/Shock Top Hats

#32452 from Raymond Blethen · Rule change · TB 22-05 (2022-04 Fastrack)

In TOURING (T2-T4) CATEGORY, GCR Section 9.1.9.2.D.5.b.2, add the following:
"f. Cars with an alternative spring allowance are permitted to use performance alternative top hats on shocks and struts. These
top hats are permitted to utilize spherical bearings."

2022-05-01 T2 Request BoP E92 torque

#32456 from Harley Kaplan · Rule change · TB 22-05 (2022-04 Fastrack)

In T2 Spec Lines, BMW E92 M3 (08-14), change Notes as follows:
"77 78"

2022-05-01 T2 Classify Cadillac Blackwing

#32535 from Touring Committee · Rule change · TB 22-05 (2022-04 Fastrack)

In T2 Spec Lines, classify Cadillac CT4-V Blackwing (2022+) as follows:

A specification table follows in the original; it is not shown here.

Applies to Cadillac CT4 Blackwing on this page: John Heinricy

2022-06-01 T2 BMW M235iR/M240iR Min Weight Clarification

#32430 from Gamaliel Aguilar-Gamez · Rule change · TB 22-06 (2022-06 Fastrack)

In T2 Spec Lines, BMW M235iR (-2016), change Notes as follows:
"Must conform to WorldChallenge VTS 2/25/2016 rev.2. 240iR/Evo package allowed with 50 lb penalty permitted. 240iR
permitted. Must run DOT tires. EVO package permitted +75 lbs."

2022-06-01 T2 Follow up to Letter 30888

#32477 from Harley Kaplan · Rule change · TB 22-06 (2022-06 Fastrack)

In T2 Spec Lines, BMW E92 M3 (08-14), add to Notes as follows:
"Fall Line Suspension arms permitted- G8X/F8x/E9x M3, E9x M3/E82 1M, E9XM3?E82 1M."

2022-12-01 T2 Heavy Cars

#33345 from Scotty B White · Rule change · TB 22-12 (2022-12 Fastrack)

In T2 Spec Lines, Dodge Viper SRT-10 incl. coupe (03-06), change as follows:
Max Wheel Size: "18 x 10 11 (F) 19 x 13 (R)"
Weight: "3550 3675"
Notes: "If a hardtop is used, it shall be the detachable Autoform hardtop (latches shall be replaced with positive fasteners),
convertible top shall be removed. Throttle restrictor between each throttle body and plenum is mandatory: .060” flat steel plate
with one 41mm 44mm hole (In convertible configuration) or one 42mm hole (hardtop configuration). A .250” thick (max) steel or
aluminum spacer is permitted between the throttle body and the restrictor to provide clearance for the throttle butterfly. This
spacer shall replicate the dimensions of the stock throttle body flange (i.e. throttle bore, bolt pattern, idle-air bypass port

Applies to Dodge Viper on this page: Scotty B White

2023-01-01 T2 BMW M235iR/M240iR Aftermarket 2WNR Shocks Allowed - Touring 2

#33464 from Gamaliel Aguilar Gamez · Rule change · TB 23-01 (2023-01 Fastrack)

In T2 Spec Lines, BMW M235iR (-2016), change as follows:
Weight: "3400 3350"
Notes: "DOT approved tires required. All other components must be as homologated from BMW Motorsports. No other changes
or Touring rule allowances permitted unless specified below. Must conform to World Challenge VTS 2/25/2016 rev.2. 240iR/Evo
package permitted. 240iR permitted. Must run DOT tires. T2 compliant shocks permitted. Alternative tune permitted."

2023-01-01 T2 Touring (T2-T5) Category

#33617 from Club Racing Board · Rule change · TB 23-01 (2023-01 Fastrack)

In GCR, CARS AND EQUIPMENT, section 9.1.9. TOURING CATEGORY CLASSES: add the following:
"Touring 5 (T5)"
In GCR, Section 9.1.9.2. Touring (T2-T5) Category, change as follows:
"Touring car eligibility: Cars are eligible for the class they are listed with a specification line and with the specific allowances
permitted. In addition T2-T5 cars may race one class up in touring classes above their specification line class as long as they are a
legal T2-T4 5 car and conform to their specification line allowances as classified. T5 is a Regional only class."
In GCR, Section 9.1.9.2.D.1.i.5., change as follows:
"T2-T4 5 only:"

2023-01-01 T2 ENO 9.1.9.2.D.1.e.1.a.

#33651 from Club Racing Board · Rule change · TB 23-01 (2023-01 Fastrack)

In GCR Touring (T2-T5) Category Specifications, Section 9.1.9.2.D.1.e.1.a, change as follows:
"A maximum of 3.5 degrees of negative ch amber is allowed on front and rear suspensions."

2023-02-01 T2 C5 Corvette Swaybars

#33269 from Carl Fung · Rule change · TB 23-02 (2023-02 Fastrack)

In T2 Spec Lines, Chevrolet Corvette C-5 Incl. Fxd Cpe (98-04) Z06 (hardtop) (01-04), add to Notes as follows:
"GM Motorsports T1 suspension pkg. (Part # 1248 → 0062) is permitted. SpecCorvette SCT-1 swaybars permitted."

Applies to Chevrolet Corvette on this page: William Bolt

2023-02-01 T2 Mustang OEM Grill Request

#33333 from Norm Benson · Rule change · TB 23-02 (2023-02 Fastrack)

In T2 Spec Lines, Ford Mustang GT 5.0L (11-14), add to Notes the following:
"Upper grille fog lights may be removed and replaced with mesh or screen."
In T2 Spec Lines, Ford Mustang V6 (11-14), add to Notes the following:
"Upper grille fog lights may be removed and replaced with mesh or screen."
In T3 Spec Lines, Ford Mustang V6 (11-14), add to Notes the following:
"Upper grille fog lights may be removed and replaced with mesh or screen."

Applies to Ford MUSTANG on this page: Scotty B White, Michael Kamalian

2023-03-01 T2 Honda Civic Type R Tire Size Increase

#33672 from Marty Grand · Rule change · TB 23-03 (2023-03 Fastrack)

In T2 Spec Lines, Honda Civic Type-R (2017-), change Tire Size as follows:
"275 295"

2023-04-01 T2 Allowance of any nonmetallic bushing material in T2

#33833 from Tyler Quance · Rule change · TB 23-04 (2023-04 Fastrack)

In Touring (T2-T5) Category Specifications, GCR Section 9.1.9.2.D.5.c.1., change as follows:
"All T2-T3 cars are allowed to replace OEM upper and lower control arm bushings with polyurethane, or delrin, or alternate
synthetic materialbushings."

2023-04-01 T2 Allow Adjustable stabilizer bar links

#33861 from John Heinricy · Rule change · TB 23-04 (2023-04 Fastrack)

In T2 Spec Lines, Cadillac CT4-V Blackwing (2022-), add to Notes as follows:
"Adjustable sway bar end links permitted."

Applies to Cadillac CT4 Blackwing on this page: John Heinricy

2023-05-01 T2 C5 Z06 Straight Line Speed

#33575 from Charlie Abell · Rule change · TB 23-05 (2023-05 Fastrack)

In T2 Spec Lines, Chevrolet Corvette C-5 Incl. Fxd Cpe (98-04) Z06 (hardtop) (01-04), change Weight (lbs) as follows:
"3425 w/53mm 56mm flat plate restrictor)
3350 (w/58mm flat plate restrictor, only permitted when using OEM Wheels and Stock Brakes)"

Applies to Chevrolet Corvette on this page: William Bolt

2023-06-01 T2 2009 Porsche Cayman Classing Request

#34147 from Lisa Hunsicker · Rule change · TB 23-06 (2023-06 Fastrack)

In T2 Spec Lines, Porsche Cayman S (06-08), change year as follows:
"Porsche Cayman S (06-08) (06-09)"

2023-07-01 T2 370Z Obsolete Parts & NISMO Alternatives to SPL Parts

#34297 from Zach Hayward · Rule change · TB 23-06 (2023-05 Fastrack)

In T2 Spec Lines, Nissan 370Z (09-17) / 370Z NISMO Edition (09-17), change Notes as follows:
5300S-SS370 T-2 spring kit allowed; 54600-SS370 T-2 front and rear sway bar kit allowed. Sway Bars allowed 35mm (f). 29mm
(r). Sports Package is allowed. Springs up to 1000 lbs/in front and rear allowed. 54010- SZ350 (F) and 55020-SZ350 (R) allowed.
Cold Air Intake allowed. Performance Alternative Header permitted - Part #14002-SS370. Rear spring relocation permitted to
allow coil over shocks. SPL suspension kit permitted that includes: rear camber arms #SPL RLL Z34 or Nismo 551A0-RLLRZ, SPL
rear toe arms #SPL RTA Z34, SPL rear traction arms #SPL RTR Z34 or Nismo 55110-RTRRZ, SPL front camber arms #SPL FUA Z34 or
54525-FUAZ4, SPL rear mid link #SPL RML Z34 or Nismo 551B0-RMLZ4. Zspeed and Z1 alternative clutch slave permitted. The
following STOPTECH parts are allowed with a 50 Lb penalty: #83.488.6800.51 front, 83.657.0057.51 rear.

2023-08-01 T2 Rules Clarification for Mazda RX8 Spec Line

#34395 from Colin Koehler · Rule change · TB 23-08 (2023-08 Fastrack)

In T3 Spec Lines, Mazda RX-8 Base/R3/Sport/ GT (04-12), change notes as follows:
"Use of 2009 R3 transmission is permitted with alternate gear ratios as listed. R3 transmission must be paired with the listed
alternate final drive. Front sway bar permitted 32mm MAX rear sway bar 19 MAX, Front springs max 750, 500 rear. Cold air
intake permitted. Header permitted. Aftermarket flywheel and single disc clutch permitted with no weight penalty."
In T4 Spec Lines, Mazda RX-8 Base/R3/Sport/ GT (04-12), change notes as follows:
"Mazdaspeed radiator #0000-01-8501 allowed. Use of 2009 R3 transmission is permitted with alternate gear ratios as listed. R3
transmission must be paired with the listed alternate final drive. Mazdaspeed coil spring kit #QSEA-34-01Z allowed. 60mm flat
plate restrictor required. OE Rear spoiler allowed #F151-V4-920F. OE front air dam allowed #F151-V4-900f-BB. Springs Allowed:

2023-08-01 T2 rule book corrections

#34437 from Chi Ho · Rule change · TB 23-08 (2023-08 Fastrack)

In T3 Spec Lines, BMW 320i (14-15), add to Notes the following:
"Aftermarket intercooler permitted."
In T4 Spec Lines, BMW 320i (14-15), remove from Notes the following:
"Aftermarket intercooler permitted."

2023-08-01 T2 Corvette LS2 Restrictor Plate Adjustment

#34456 from Brian LaCroix · Rule change · TB 23-08 (2023-05 Fastrack)

In T2 Spec Lines, Chevrolet Corvette C6 Coupe / Grand Sport (05-13), change Notes as follows:
"LS2: 58mm 60mm flat plate restrictor is required."

2023-08-01 T2 Ride Height Correction for the T3 Solstice.

#34615 from Joe Aquilante · Rule change · TB 23-08 (2023-08 Fastrack)

In T2 Spec Lines, Pontiac Solstice GXP Coupe / Convertible (07-09), add to Notes the following:
"Minimum ride height is 3 inches."
In T3 Spec Lines, Pontiac Solstice GXP Coupe / Convertible (07-09), add to Notes the following:
"Minimum ride height is 3 inches."

2023-08-01 T2 Blacking Cadillac Fuel Capacity

#34624 from John Heinricy · Rule change · TB 23-08 (2023-05 Fastrack)

In T2 Spec Lines, Cadillac CT4-V Blackwing (2022-), add to Notes the following:
"Radium fuel surge tank permitted. Radium tank and all associated hoses must be located behind a fireproof bulkhead or in the
engine compartment."

Applies to Cadillac CT4 Blackwing on this page: John Heinricy

2023-12-01 T2 M2 CS RACING

#35122 from Clark Giguiere · Rule change · TB 23-12 (2023-12 Fastrack)

In T2 Spec Lines, BMW M2 CS Cup 2020-, add to Notes the following:
"Hood vents conforming to 9.1.9.2.D.8.a.7 are permitted."

Applies to BMW M2 CS on this page: Aaron Kaplan, Russell King, Steven Greenhill

2024-01-01 T2 Rebalance Blackwing Cadillac T2

#35079 from John Heinricy · Rule change · TB 24-01 (2024-01 Fastrack)

In T2 Spec Lines, Cadillac CT4-V Blackwing (2022-), change as follows:
Wheel size: "(F) 18 x 10 (R) 18 x 11"
Notes: "Sway bars permitted 35mm (f), 30mm (r)"

Applies to Cadillac CT4 Blackwing on this page: John Heinricy

2024-01-01 T2 M2 CS RACING

#35130 from Clark Giguiere · Rule change · TB 24-01 (2024-01 Fastrack)

In T2 Spec Lines, BMW M2 CS Cup (2020-), change weight as follows:
"3600 3550"
In T2 Spec Lines, BMW M235iR (-2016), change weight as follows:
"3350 3300"

Applies to BMW M2 CS on this page: Aaron Kaplan, Russell King, Steven Greenhill

2024-01-01 T2 Spec Corvette in T2

#35139 from David Sanders · Rule change · TB 24-01 (2024-01 Fastrack)

In T2 Spec Lines, Spec Corvette, change as follows:
Weight: "3375 3200"
Notes: "Cars must comply with all Spec Corvette rules dated 3-1-2 1 11-28-22 including fuel and tires. No tire treatment or
rubber softeners are permitted. T2 requirements of 3.75” min ride height and 53mm flat plate restrictor required. Any 295 DOT
tire approved with +200lb. Limited to 380 HP. Nankang NS-2R Tires conforming to Spec Corvette rules are required."

2024-01-01 T2 T2 Viper BoP

#35155 from Scotty B White · Rule change · TB 24-01 (2024-01 Fastrack)

In T2 Spec Lines, Dodge Viper SRT-10 incl. coupe (03-06), change Tire Size as follows:
"(F) 315/35 (R) 345/30 335/30"

Applies to Dodge Viper on this page: Scotty B White

2024-01-01 T2 BOP Adjustment for 5.0L Mustangs

#35156 from Kurt Rezzetano · Rule change · TB 24-01 (2024-01 Fastrack)

In T2 Spec Lines, Ford Mustang GT 5.0L (11-14), change as follows:
Min weight: "3500 3575"
Notes: "58mm 60mm flat plate restrictor required."
In T2 Spec Lines, Ford Mustang GT 5.0L (15-17), change as follows:
Min Weight: "3600 3650"
Notes: "58mm 59mm flat plate restrictor required."
In T2 Spec Lines, Ford Mustang GT5.0L(2018-), change as follows:
Min Weight: "3600 3650"

Applies to Ford MUSTANG on this page: Scotty B White, Michael Kamalian

2024-01-01 T2 Take at Look at T-2 BOP

#35161 from Joe Aquilante · Rule change · TB 24-01 (2024-01 Fastrack)

In T2 Spec Lines, Chevrolet Camaro, 1LE (2016-), change as follows:
Min Weight: "3550 3500"
Notes: "56mm 58mm flat plate restrictor required."

2024-01-01 T2 C5 Corvette Spec Line Oversight

#35169 from Carl Fung · Rule change · TB 24-01 (2024-01 Fastrack)

In T2 Spec Lines, Chevrolet Corvette C-5 Incl. Fxd Cpe (98-04) Z06 (hardtop) (01-04), change as follows:
Min Weight: :3425 w/56mm flat plate restrictor)"
Notes: "59mm flat plate restrictor required."
In T2 Spec Lines, Chevrolet Corvette C6 Coupe / Grand Sport (05-13) change Notes as follows:
"LS2: 60mm 63mm flat plate restrictor is required. LS3: 50mm 53mm flat plate restrictor is required."

Applies to Chevrolet Corvette on this page: William Bolt

2024-01-01 T2 Requested Update of Model Years of 370Z

#35231 from Richard Kulach · Rule change · TB 24-01 (2024-01 Fastrack)

In T3 Spec Lines, Nissan 370Z (09-16) / 370Z NISMO Edition (09-13), change model as follows:
"Nissan 370Z (09-16) / 370Z NISMO Edition (09-13) ,incl. Nismo (2009-2022)"

2024-02-01 T2 2015+ Mustang Sway Bar and A-Arm Request

#35154 from Scotty B White · Rule change · TB 24-02 (2024-01 Fastrack)

In T2 Spec Lines, Ford Mustang GT 5.0L (15-17), add to Notes the following:
"BMR rear upper control arm camber links part #UTCA064 permitted."

Applies to Ford MUSTANG on this page: Scotty B White, Michael Kamalian

2024-02-01 T2 Brake Kits

#35245 from David Woodle · Rule change · TB 24-02 (2024-01 Fastrack)

In T2 Spec Lines, add to Notes the following:
Chevrolet Camaro SS (98-02): “Four or six piston front calipers allowed.”
Chevrolet Camaro, 1LE (2016-): “Four or six piston front calipers allowed.”
Chevrolet Corvette C-5 Incl. Fxd Cpe (98-04) Z06 (hardtop) (01-04): “Four or six piston front calipers allowed.”
Chevrolet Corvette C6 Coupe / Grand Sport (05-13): “Four or six piston front calipers allowed.”
Chevrolet Corvette Z06 (06-12): “Four or six piston front calipers allowed.”
Pontiac Firebird (98-02): “Four or six piston front calipers allowed.”
Pontiac Solstice GXP Coupe/Convertible (07-09): “Four or six piston front calipers allowed.”

2024-02-01 T2 More Car Lightening Stuff

#35319 from Scotty B White · Rule change · TB 24-02 (2024-02 Fastrack)

In GCR, Section 9.1.9.2.D.1.g.3., change as follows:
"Batteries may be replaced provided the replacement is capable of starting the car. Batteries may not be relocated
unless noted on the spec line. Batteries must be adequately secured. Battery labeling must conform to 9.3.35.D. with
those of an alternate manufacturer, provided they are of similar amp-hour capacity, size and within 10% of OEM
weight."

2024-02-01 T2 Inclusion of B-C spec cars in T4

#35374 from Touring Committee · Rule change · TB 24-02 (2024-02 Fastrack)

In GCR, Section 9.1.9.2., change as follows:
"Touring car eligibility: Cars are eligible for the class they are listed with a specification line and with the specific
allowances permitted. In addition, T2-T4 cars may race one class up in touring classes above their specification line class
as long as they are a legal T2-T4 car and conform to their specification line allowances as classified. Cars conforming to
C-Spec rules are permitted to compete in Touring 4."

2024-02-01 T2 Runoffs wording on Caddy in T2

#35377 from Touring Committee · Rule change · TB 24-02 (2024-01 Fastrack)

In T2 Spec Lines, Cadillac CT4-V Blackwing(2022-), change Notes as follows:
"THIS CAR DOES NOT QUALIFY FOR SCCA RUNOFFS COMPETITION UNTIL IT HAS BEENREPRESENTED IN 3 SCCA SUPER
TOUR EVENTS."

Applies to Cadillac CT4 Blackwing on this page: John Heinricy

2024-02-01 T2 T2-T4 Set expiration dates on spec lines

#35378 from Touring Committee · Rule change · TB 24-02 (2024-02 Fastrack)

In T2-T4 Spec Lines, add **This Spec line will expire 12/31/24, Please submit to appeal**
to Notes to the following Spec Lines:
T2:
Acura TL SHAWD (10-13)
Audi S4 (12-14)
Audi S5 (13-14)
Audi TT RS (2018-)
Cadillac ATS-V (16-17)

2024-02-01 T2 Reply to letter #35161 and #31661

#35384 from Andrew Aquilante · Rule change · TB 24-02 (2024-02 Fastrack)

In T2 Spec Lines, Chevrolet Camaro, 1LE (2016-), change as follows:
Min Weight: "3500 3575"
Notes: "58mm 60mm flat plate restrictor required"

2024-03-01 T2 Reorganize Spec Lines

#35375 from Touring Committee · Rule change · TB 24-03 (2024-03 Fastrack)

In T2-T4 Spec Lines, change Spec Line as follows:
"Wheel- base (mm) Required Restrictor"

2024-03-01 T2 370Z Brake Rotor Size Correction

#35487 from Derek Chan · Rule change · TB 24-03 (2024-03 Fastrack)

In T2 Spec Lines, Nissan 370Z (09-17) / 370Z NISMO Edition (09-17), change Brakes (mm) as follows:
"(F)320 x 28 Vented R)320 x 16 Vented : (F) 355x32mm Vented(R) 350x20mm Vented”
In T3 Spec Lines, Nissan 370Z, incl. Nismo (2009-2022), change Brakes (mm) as follows:
"(F)320 x 28 Vented (R)320 x 16 Vented : (F) 355x32mm Vented(R) 350x20mm Vented”

2024-03-01 T2 Letter #35154 2018+ Mustang GT Expansion

#35488 from Michael Kamalian · Rule change · TB 24-03 (2024-03 Fastrack)

In T2 Spec Lines, Ford Mustang GT 5.0L (2018-), add to Notes as follows:
"BMR rear upper control arm camber links part #UTCA064 permitted."

Applies to Ford MUSTANG on this page: Scotty B White, Michael Kamalian

2024-04-01 T2 Brake Request for 2009 Porsche Cayman

#35723 from Jason Ott · Rule change · TB 24-04 (2024-04 Fastrack)

In T2 Spec Lines, Porsche Cayman S (06-09), add to Notes the following:
"The following brake kit is allowed in its entirety with a 50 lb penalty- (f) StopTech ST60 (83.788.6700), rotor size 355X32
(r) StopTech ST40 (83.799.0046), rotor size 332X32."

2024-05-01 T2 Allow T4 and T3 RX8 to Disable/Remove Factory Oil Inj.

#35761 from David Mead · Rule change · TB 24-05 (2024-05 Fastrack)

In T3 Spec Lines, Mazda RX-8 Base/R3/Sport/ GT (04-12), add to Notes as follows:
"OEM oil injection system may be removed or disabled."
In T4 Spec Lines, Mazda RX-8 Base/R3/Sport/ GT (04-12), add to Notes as follows:
"OEM oil injection system may be removed or disabled."

2024-05-01 T2 Competition Adjustment Request/Wheel Size of E46

#35895 from David Newman · Rule change · TB 24-05 (2024-05 Fastrack)

In T2 Spec Lines, BMW M3 (01-06), change Max Wheel Size (inch) as follows:
"18 x 9 18 x 10"

2024-05-01 T2 Driveshafts

#35916 from Scotty B White · Rule change · TB 24-05 (2024-05 Fastrack)

In GCR Section 9.1.9.2.D.4.b., add the following:
"6. T2-T3- Driveshafts may be replaced with alternative materials ie. carbon fiber, aluminum, steel. Two-piece driveshafts may
be replaced with one-piece units. If non-OEM driveshaft is used, add 25 lbs."

2024-07-01 T2 Mustang T2/T3

#35877 from Scotty B White · Rule change · TB 24-07 (2024-07 Fastrack)

In T2 Spec Lines, Ford Mustang GT 5.0L (15-17), add to Notes as follows:
"Track/Performance Package parts permitted."
In T2 Spec Lines, Ford Mustang GT 5.0L (2018-), add to Notes as follows:
"Track/Performance Package parts permitted."
In T3 Spec Lines, Ford Mustang V6 (15-17), change Notes as follows:
"Track/Performance package allowed."

Applies to Ford MUSTANG on this page: Scotty B White, Michael Kamalian

2024-07-01 T2 S550 Brakes

#35926 from Scotty B White · Rule change · TB 24-07 (2024-07 Fastrack)

In T2 Spec Lines, Ford Mustang Ecoboost 2.3 (2015-), add to Notes the following:
"100LB for Mustang S550 2015-17 5.0 Gen2 and 2018-23 5.0. Gen3 reduce weight by 100Lb when using 4 piston stock
or Brembo brakes with 355mm rotors."

2024-07-01 T2 T2-T4 Driveshaft Mistake...?

#36050 from Scotty B White · Rule change · TB 24-07 (2024-07 Fastrack)

In GCR Section 9.1.9.2.D.4.b.6., remove as follows:
"If non-OEM driveshaft is used, add 25 lbs."
In T2 Spec Lines, Ford Mustang V6 (11-14), change Notes as follows:
"Driveshaft from Alternate metallic driveshaft is allowed."
In T2 Spec Lines, Ford Mustang Boss 302 (12-13), change Notes as follows:
"Alternate metallic driveshaft is allowed."
In T2 Spec Lines, Ford Mustang GT 5.0L (11-14)ki, change Notes as follows:
"Alternate metallic driveshaft is allowed."

Applies to Ford MUSTANG on this page: Scotty B White, Michael Kamalian

2024-07-01 T2 request for allowance of 6 piston calipers for T2 C5 corvettes

#36126 from Joe Aquilante · Rule change · TB 24-07 (2024-07 Fastrack)

In T2 Spec Lines, add to Notes the following:
Chevrolet Camaro SS (98-02): Four or six piston front calipers allowed.
Chevrolet Camaro, 1LE (2016-): Four or six piston front calipers allowed.
Chevrolet Corvette C-5 Incl. Fxd Cpe (98-04) Z06 (hardtop) (01-04): Four or six piston front calipers allowed.
Chevrolet Corvette C6 Coupe / Grand Sport (05-13): Four or six piston front calipers allowed.
Chevrolet Corvette Z06 (06-12): Four or six piston front calipers allowed.
Pontiac Firebird (98-02): Four or six piston front calipers allowed.
Pontiac Solstice GXP Coupe/Convertible (07-09): Four or six piston front calipers allowed.

2024-07-01 T2 B8/8.5 Audi S4 T3 and T2

#36195 from Brian Leib · Rule change · TB 24-07 (2024-07 Fastrack)

In T3 Spec Lines, Classify Audi S4 (2000-2002) as follows and allow the T2 spec line to expire.

A specification table follows in the original; it is not shown here.

2024-08-01 T2 Errors

#36214 from Touring Committee · Rule change · TB 24-08 (2024-08 Fastrack)

In T2 Spec Lines, Chevrolet Corvette C6 Coupe / Grand Sport (05-13), change Required Restrictor as follows:
"LS2: "53 63mm flat plate restrictor"
In T2 Spec Lines, Chevrolet Camaro, 1LE (2016-), change as follows:
Min Weight: "3575 3500"
Required Restrictor: "60mm FRP 58mm flat plate restrictor"

2024-08-01 T2 Subaru Appeal

#36258 from Anthony Piselli III · Rule change · TB 24-08 (2024-08 Fastrack)

In T2 Spec Lines, Subaru Impreza WRX STi (03-07), change Notes as follows:
"**This Spec line will expire 12/31/24, Please submit to appeal**"
In T2 Spec Lines, Subaru Impreza WRX STi (08-11), change Notes as follows:
"**This Spec line will expire 12/31/24, Please submit to appeal**"

2024-08-01 T2 S550 Brakes

#36571 from Club Racing Board · Rule change · TB 24-08 (2024-08 Fastrack)

In T2 Spec Lines, Ford Mustang GT 5.0L (15-17), add to Notes as follows:
"Mustang S550 2015-17 5.0 Gen2 and 2018-23 5.0. Gen3 reduce weight by 100Lb when using 4 piston stock or Brembo brakes
with 355mm rotors."
In T2 Spec Lines, Ford Mustang GT 5.0L (18 -), add to Notes as follows:
"Mustang S550 2015-17 5.0 Gen2 and 2018-23 5.0. Gen3 reduce weight by 100Lb when using 4 piston stock or Brembo brakes
with 355mm rotors."
In T2 Spec Lines, Ford Mustang Ecoboost 2.3 (2015-), change Notes as follows:
"Reduce weight by 100Lb when using either stock 355mm 4 piston brakes or m2300s 355mm 4 piston Ford brake kit."

Applies to Ford MUSTANG on this page: Scotty B White, Michael Kamalian

2024-11-01 T2 Spec Corvette Change for T2

#37127 from Joe Aquilante · Rule change · TB 24-11 (2024-11 Fastrack)

In T2 Spec Lines, Spec Corvette, change Notes as follows:
"Cars must comply with all Spec Corvette rules dated 11-28-22 including fuel and tires. No tire treatment or rubber softeners are
permitted. Limited to 380 HP. Nankang NS-2R Tires conforming to Spec Corvette rules are required or a 295 R compound DOT
tire."

2024-12-01 T2 Redundant Verbiage Regarding Mustang Spec Lines for Driveshaft

#36484 from David Mead · Rule change · TB 24-12 (2024-12 Fastrack)

In T2 Spec Lines, change Notes as follows:
Ford Mustang V6 (11-14): "Alternate driveshaft is allowed."
Ford Mustang Boss 302 (12-13): "Alternate driveshaft is allowed."
Ford Mustang GT 5.0L (11-14): "Alternate driveshaft is allowed."
Ford Mustang GT 5.0L (15-17): "Alternate driveshaft is allowed."
Ford Mustang GT 5.0L (2018-): "Alternate driveshaft is allowed. Springs up to 800#/in front and rear permitted. Alternate
metallic driveshaft permitted."
Ford Mustang Coupe GT & Shelby GT 4.6L (05-10): "Alternate driveshaft is allowed."

2024-12-01 T2 Request Less Restriction for Ls-3 Engined C6 Corvette

#36810 from Joe Aquilante · Rule change · TB 24-12 (2024-12 Fastrack)

In T2 Spec Lines, Chevrolet Corvette C6 Coupe / Grand Sport (05-13), change Restrictor Required as follows:
"LS3: 53mm 56mm flat plate restrictor"

2024-12-01 T2 Fuel Emissions Components

#37076 from Derrick Ambrose · Rule change · TB 24-12 (2024-12 Fastrack)

In GCR, Section 9.1.9.2.D.1.c. add the following:
"5. Removal of ancillary fuel tank equipment charcoal canisters, emissions valves, and sensors allowed for OEM or aftermarket
fuel cell installations."

2024-12-01 T2 fix brake wording

#37129 from Touring Committee · Rule change · TB 24-12 (2024-12 Fastrack)

In GCR, Section, 9.1.9.2.D.6. Brakes, change as follows:
"a. Components
1. The make and material of brake pads and linings may be changed.
2. Brake fluid may be substituted with any brake fluid.
3. Brake rotor dust shields may be removed or replaced to accommodate brake ducts.
4. Flexible rubber brake lines may be replaced with Teflon lined, metal braided hoses.
5. Any brake ducts are permitted, but they must serve no other purpose. Fender liners may be modified solely for routing and
attachment of brake ducts. Duct intake openings may be created by the opening of 2 sections up to 14.5 square inches each in

2024-12-01 T2 Evaporative emissions systems

#37130 from Touring Committee · Rule change · TB 24-12 (2024-12 Fastrack)

In GCR, Section, 9.1.9.2.D.1.c., add the following:
"5. Removal of ancillary fuel tank equipment; charcoal canisters, emissions valves, and sensors allowed for OEM or aftermarket
fuel cell installations."

2024-12-01 T2 Move Spec Boxster to T4

#37158 from Rob Piekarczyk · Rule change · TB 24-12 (2024-12 Fastrack)

In T4 Spec Lines, classify Porsche Spec Boxster, as follows:

A specification table follows in the original; it is not shown here.

2024-12-01 T2 Corvette Wheels

#37169 from Brian LaCroix · Rule change · TB 24-12 (2024-12 Fastrack)

In T2 Spec Lines, Chevrolet Corvette C6 Coupe / Grand Sport (05-13), change Max Wheel Size as follows:
"18 x 10 11 (F) 19 x 11 (R) or 18 x 11 (F) 19 x 13 (R)"

2024-12-01 T2 BMW 320i Spec Line

#37204 from chi ho · Rule change · TB 24-12 (2024-12 Fastrack)

In T4 Spec Lines, BMW 320i (14-15), change Notes as follows:
"**This Spec line will expire 12/31/24, Please submit to appeal** Turner Motorsports intercooler #024703TMS02 allowed."

2024-12-01 T2 Classification for a 2005 Cadillac CTS 3.6 liter 6 speed manual

#37224 from Timothy Nash · Rule change · TB 24-12 (2024-12 Fastrack)

In T3 Spec Lines, classify Cadillac CTS (02-07) as follows:

2024-12-01 T2 Please Consider Allowing Update to the C5 Corvette

#37298 from DAVID WOODLE · Rule change · TB 24-12 (2024-12 Fastrack)

In T2 Spec Lines, Chevrolet Corvette C-5 Incl. Fxd Cpe (98-04) Z06 (hardtop) (01-04), change Restrictor Required as follows:
"59mm FRP LS1: 59mm FPR, LS2: 63mm FPR, LS3: 56mm FPR"

Applies to Chevrolet Corvette on this page: William Bolt

2024-12-01 T2 Major error in lane, but nobody ran it.

#37302 from Touring Committee · Rule change · TB 24-12 (2024-12 Fastrack)

In T2 Spec Lines, delete Chevrolet Corvette Z06 (06-12) Spec Line in its entirety.

2025-01-01 T2 BoP for the Various Mustangs

#37185 from Scotty B White · Rule change · TB 25-01 (2025-01 Fastrack)

In T2 Spec Lines, Ford Mustang GT 5.0L (11-14), change as follows:
Weight: "3575 3525"

Applies to Ford MUSTANG on this page: Scotty B White, Michael Kamalian

2025-01-01 T2 Remove spec lines that have expired

#37269 from Touring Committee · Rule change · TB 24-12 (2024-12 Fastrack)

In T2, Effective 1/1/2025, delete for following Spec Lines in their entirety:
"Acura TL SHAWD (10-13)
Audi S4 (12-14)
Audi S5 (13-14)
Audi TT RS (2018-)
Cadillac ATS-V (16-17)
Cadillac CTS-V (06-07)
Chevrolet Camaro SS (98-02)

2025-01-01 T2 Spec Corvette Line Clarification.

#37441 from Joe Aquilante · Rule change · TB 25-01 (2025-01 Fastrack)

In T2 Spec Lines, Spec Corvette, change as follows:
Weight: "SC-3200, SC+-3300* See Notes Section"
Notes: "Cars must comply with all Spec Corvette rules dated 11-28-22 including fuel and tires. No tire treatment or rubber
softeners are permitted. Limited to 380 HP. Nankang NS-2R Tires conforming to Spec Corvette rules or a 295 R compound DOT
tire. Cars must conform to Spec Corvette rules dated 11/2022. Master cylinder part number GM 19418187 and Booster part
number 19418516 permitted. Limited to 380 HP. Any 200tw 315 tire permitted if used on all 4 corners or a 295 R compound DOT
tire.
Modifications to Radiator Air Shroud to increase radiator cooling efficiency is allowed. Replacement of factory air shroud with

2025-02-01 T2 Mustang Update backdate

#37275 from Scotty B White · Rule change · TB 25-02 (2025-02 Fastrack)

In T2 Spec Lines, combine Ford Mustang GT 5.0L (15-17) and Ford Mustang GT 5.0L (2018-) and change as follows:
Delete in its entirety: "Ford Mustang GT 5.0L (15-17)"
"Ford Mustang GT 5.0L (2018-)(15-23)"
Required Restrictor: 58mm flat plate restrictor 2015-17 5.0 Gen 2 63mm FPR, 2018-23 5.0. Gen 3 60mm FPR"
Gear Ratios: "3.66, 2.43, 1.69, 1.32, 1.00, 0.65 or 4.69, 2.98, 2.14, 1.76, 1.52, 1.27, 1.00, 0.85, 0.68, 0.63 or 4.17, 2.34, 1.52, 1.14,
0.87, 0.69"
Notes: "Ford Performance Handling Kit part #M-FR3A-M8, Sway Bars in M-FR3A-M8 kit part #M5490-E or M5490-G, Rear Toe
Bearing part #M-5A460-M, Ford Performance Radiator part #M-8005-M8,Strut Tower Brace part# M-20201-M, Camber Bolts M-

Applies to Ford MUSTANG on this page: Scotty B White, Michael Kamalian

2025-02-01 T2 BOP Adjustment for 2016 - Camaro SS/1LE

#37434 from Kurt Rezzetano · Rule change · TB 25-02 (2025-02 Fastrack)

In T2 Spec Lines, Chevrolet Camaro, 1LE (2016-), change as follows:
"Chevrolet Camaro, 1LE (20 16-25)"
Required Restrictor: "58mm 62mm FPR"
Min Weight: "3500 3600"

2025-02-01 T2 BMW M235iR TCS CHANGE REQUEST

#37470 from Werner Kordas · Rule change · TB 25-02 (2025-02 Fastrack)

In T2 Spec Lines, BMW M235iR (-2016), add to Notes the following:
"Oil cooler and radiator permitted according to touring rules. Silicone charge pipe permitted."

2025-02-01 T2 Request to Classify Club Spec in Appropriate Touring Classes

#37523 from Andrew Benagh · Rule change · TB 25-02 (2025-02 Fastrack)

In T3 Spec Lines, classify Ford SCCA Club Spec Mustang (CSM) as follows:

A specification table follows in the original; it is not shown here.

2025-03-01 T2 T2 BOP

#37312 from Touring Committee · Rule change · TB 25-01 (2025-01 Fastrack)

In T2 Spec Lines, BMW M2 CS Cup 2020-, change Notes as follows:
"Effective 3/1/2025 It is mandatory to run the “Purple” power stick part #8324089"Red" power stick part #8324085."
In T2 Spec Lines, Chevrolet Corvette C-5 Incl. Fxd Cpe (98-04) Z06 (hardtop) (01-04), change Required Restrictor as follows:
"Effective 3/1/2025 59mm 58mm"

Applies to BMW M2 CS on this page: Aaron Kaplan, Russell King, Steven Greenhill

Applies to Chevrolet Corvette on this page: William Bolt

2025-04-01 T2 Please class the Darkhorse R in T2

#37295 from Touring Committee · Rule change · TB 25-04 (2025-04 Fastrack)

In T2 Spec Lines, classify the Ford Mustang Challenge Darkehorse R.

A specification table follows in the original; it is not shown here.

2025-04-01 T2 T2 350Z Spec Line Cleanup

#37603 from Ben Slechta · Rule change · TB 25-04 (2025-04 Fastrack)

In T2 Spec Lines, Nissan 350Z Track/ Touring/ Standard/ Nismo Spec Z (03-08), change Notes as follows:
"Nissan Motorsports: Shock Front left P/N E6110-SZ350 & Front right E6111-SZ350 & rear E6210-SZ350, Springs front P/N
54010-SZ350 & rear 55020-SZ350, F&R 5600S-SZ350, Front roll bar #54611-SZ350, Rear roll bar #562300-SZ350, Bushings P/N
(54541, 54560, 55045, 55148, 55149, 55152, 55153, 55158, 56218) - RRZ30 allowed. Nismo flywheel permitted. SPC Control
Arms 72125 and 72123 are allowed. Aftermarket flywheel permitted at minimum 14lbs. Aftermarket headers permitted, cold air
intake permitted. Aftermarket big brake kit 4 piston front permitted up to 355x32 SPL pro V3 front upper camber caster control
arms for the 350z part# SPLFUAZ33 permitted. SPL rear toe links part# SPL RTA Z33 permitted. Stillen part #400338 permitted.
44011-RC350 rear caliper kit permitted, 43206-SZ350 Right rotor permitted, 43207-SZ350 Left rotor permitted. Must conform to

2025-05-01 T2 C6 T-2 Corvette 6 Liter Engine Restrictor

#37490 from Joe Aquilante · Rule change · TB 25-05 (2025-05 Fastrack)

In T2 Spec Lines, Chevrolet Corvette C6 Coupe / Grand Sport (05-13), Required Restrictor, change as follows:
LS2: "63mm 67mm FPR"

2025-05-01 T2 370Z Mid link Replacement for True Coil Overs and OEM Wheel Size

#38014 from Zachary Hayward · Rule change · TB 25-05 (2025-05 Fastrack)

In T2 Spec Lines, Nissan 370Z (09-17) / 370Z NISMO Edition (09-17), change as follows:
Max Wheel Size: "19 x 10 10.5"
Notes: "5300S-SS370 T-2 spring kit allowed; 54600-SS370 Sway Bars allowed 35mm (f). 29mm (r) Sports Package is allowed.
Springs up to 1000 lbs/in front and rear allowed. 54010- SZ350 (F) and 55020-SZ350 (R) allowed. Cold Air Intake allowed.
Performance Alternative Header permitted. Rear spring relocation permitted to allow coil over shocks. SPL suspension kit
permitted that includes: rear camber arms #SPL RLL Z34 or Nismo 551A0-RLLRZ, , SPL rear traction arms #SPL RTR Z34, or Nismo
55110-RTRRZ SPL front camber arms #SPL FUA Z34,or 54525-FUAZ4 SPL rear mid link #SPL RML Z34 or Nismo 551B0-RMLZ4. SPL
Part# SPL RTA Z34D or NISMO Part# 551B0-RTARZ permitted. Zspeed and Z1 alternative clutch slave permitted. The following

2025-05-01 T2 T2 Cadillac tire

#38210 from Touring Committee · Rule change · TB 25-05 (2025-05 Fastrack)

In T2 Spec Lines, CT4-V Blackwing (2022-), change Tire Size Max as follows:
“295 315”

2025-08-01 T2 Incorrect Touring Heading

#38451 from Terry Hanushek · Rule change · TB 25-08 (2025-08 Fastrack)

In T2-T4 Spec Lines, change Table Header as follows:
"T2 ET"

2025-08-01 T2 Clarifications needed to BMW M2 CS cup line

#38536 from Joe Aquilante · Rule change · TB 25-08 (2025-08 Fastrack)

The BMW M2 CS Clubsport is classed in T1, not T2. Please visit the following web address for vehicle details about the car's base
allowances-
https://www.bmwusa.com/motorsport/bmw-m2-
cs.html#:~:text=The%20BMW%20M2%20CS%20Racing%20models%20are%20powered%20by%20a,M2%20CS%20Racing%20Rec
ommended%20Mileage.
In T2 Spec Lines, BMW M2 CS Cup 2020, change as follows:
Model: "BMW M2 CS Cup 2020-2021"
Notes: "DOT approved tires required. All other components must be as homologated from BMW Motorsports. No other changes

Applies to BMW M2 CS on this page: Aaron Kaplan, Russell King, Steven Greenhill

2025-08-01 T2 Fix brake allowance supersessions.

#38554 from Touring Committee · Rule change · TB 25-08 (2025-08 Fastrack)

In T2 Spec Lines, change Brakes as follows:
Chevrolet Corvette C-5 Incl. Fxd Cpe (98-04) Z06 (hardtop) (01-04): "(F) 325 Vented Disc (R) 305 Vented Disc May use two piece
steel rotors with aluminum hats up to 5% larger than 340/330; Any four piston calipers and brackets are permitted. Any brake
caliper pistons are allowed; may use the Wilwood SL6R brake caliper. Stock calipers and rotors only (F) 325 (R) 305"
Chevrolet Corvette C6 Coupe / Grand Sport (05-13): "(F) 325 / 340 Vented Disc (R) 305 / 330 Vented Disc or (F) 355 x 32 Vented
Disc (R) 340 x 26 Vented Disc or May use 2-pc steel rotors with alum. hats up to 5% larger than Z51 rotor. LS2 may use Grand
Sport brake package. Any brake caliper pistons allowed. May use any four piston brake caliper and brackets. Z06 brake calipers
allowed."

2025-08-01 T2 C5 Corvette correction

#38782 from Touring Committee · Rule change · TB 25-08 (2025-08 Fastrack)

In T2 Spec Lines, Chevrolet Corvette C-5 Incl. Fxd Cpe (98-04) Z06 (hardtop) (01-04), change Restrictor Required as follows:
"LS1: 59 58mm FPR,
LS2: 63mm FPR,
LS3: 56mm FPR,
LS6: 58mm FPR"

Applies to Chevrolet Corvette on this page: William Bolt

2025-11-01 T2 ND Gearset Request for T4

#39166 from Josh Smith · Rule change · TB 25-11 (2025-11 Fastrack)

In T4 Spec Lines, Mazda MX5 Miata/Club/ RF (19-24), add to Notes the following:
"Gear kit Kit PT#- 0000-02-6100."
In T4 Spec Lines, Mazda MX-5 Miata/Club (16-18), add to Notes the following:
"Gear kit Kit PT#- 0000-02-6100."
In T3 Spec Lines, Mazda MX-5 Miata (16-18), add to Notes the following:
"Gear kit Kit PT#- 0000-02-6100."
In T3 Spec Lines, Mazda MX-5 Global Cup Miata (2016-2021) ND1, ND, add to Notes the following:
"Gear kit Kit PT#- 0000-02-6100."

2025-11-01 T2 ND Spec Lines Wrong PT#'s

#39170 from Josh Smith · Rule change · TB 25-11 (2025-11 Fastrack)

In T4 Spec Lines, Mazda MX5 Miata/Club/ RF (19-24), change Notes as follows:
"Factory bolt-in roll bar/ cross member may be removed to facilitate roll cage installation. The following item(s) must remain
stock: transmission differential unless specified below. Retractable hardtop option permitted but must be disabled from moving
action and positively fastened. Any OEM or aftermarket hardtop is permitted that retains the OEM roof silhouette, including
Mazda hardtop part #0000-07-5902-ND and part #0000-07-5901 (discontinued DG Motorsports). 29mm (f) 16mm (r) sway bars
allowed. 3rd and 4th gear may be replaced with the following parts- (0000-02-5803-02, 0000-02-5803-01, 0000-02-5804-02,
0000-02-5804-01). Suspension package permitted with a 100 lbs. weight increase that includes the following parts: front springs
#0000-04-9700-08, springs up to 500lb front and 300lb rear allowed. Mazda tower brace 0000-04-5626 allowed. Mazda header

2025-11-01 T2 Touring 2 Post-Runoffs BOP Adjustments and Changes

#39274 from Touring Committee · Rule change · TB 25-11 (2025-11 Fastrack)

In T2 Spec Lines, Spec Corvette, change as follows:
Weight: "SC3200 SC+- 3300 See notes section"
Notes: "The following “Spec Corvette +” allowances are permitted with a base weight of 3300 lbs:"
In T2 Spec Lines, Ford Mustang GT 5.0L (11-14), change Restrictor as follows:
"60mm 62mm flat plate restrictor"
In T2 Spec Lines, Ford Mustang GT 5.0L (2015-23), change Tire Size as follows:
"295 315"
In T2 Spec Lines, Porsche 911 / 996 (98-05), change Weight as follows:

Applies to Ford MUSTANG on this page: Scotty B White, Michael Kamalian

2025-11-01 T2 Adjust rev limit on Spec Corvette in T2

#39282 from Touring Committee · Rule change · TB 25-11 (2025-11 Fastrack)

In T2 Spec Lines, Spec Corvette, add to Notes the following:
"7) up to 7100 rpm Rev limit."

2025-12-01 T2 Help the 2011-2014 s197Mustang GT and Boss302 Less Restriction

#38523 from Joe Aquilante · Rule change · TB 25-12 (2025-12 Fastrack)

In T2 Spec Lines, Ford Mustang Boss 302 (12-13), change Restrictor as follows:
"56mm 63mm flat plate restrictor"
In T2 Spec Lines, Ford Mustang GT 5.0L (11-14), change Restrictor as follows:
"60mm 65mm flat plate restrictor"

Applies to Ford MUSTANG on this page: Scotty B White, Michael Kamalian

2025-12-01 T2 Improving Competitiveness of Gen 5 Camaro SS

#39021 from Van Hunter · Rule change · TB 25-12 (2025-12 Fastrack)

In T2 Spec Lines, Chevrolet Camaro SS/1LE (10-15), change Weight as follows:
"3625 3575"

2025-12-01 T2 Adjust T2 Darkhorse R

#39346 from Andrew Aquilante · Rule change · TB 25-12 (2025-12 Fastrack)

In T2 Spec Lines, Ford Mustang Challenge, change as follows:
Car: "Ford Mustang Challenge Darkehorse/Cup Dark Horse R (2024-)
Displacement: "92.220 x 92.7 / 4957 93.0mm x 92.7mm 5038cc"
Weight: "3650 3775 3825"
Restrictor: "2 x 55 mm"
Tires: "295 315"
Notes: "Safety and camera equipment is unrestricted."
"**This car spec line is not eligible for the Runoffs until it has competed in 3 Super Tour events.**

Applies to Ford MUSTANG on this page: Scotty B White, Michael Kamalian

2026-01-01 T2 Alternate Placement of Fuse Panel and Electronics Request

#39370 from Aaron Stehly · Rule change · TB 26-01 (2026-01 Fastrack)

In GCR, Section 9.1.9.2.D.9.d, add the following:
"8. Under-dash electronics including computers, modules and fuse boxes may be relocated so they can be easily accessed after
roll cage installation."

2026-01-01 T2 Rebalance Blackwing Cadillac T2 for 2026

#39426 from John Heinricy · Rule change · TB 26-01 (2026-01 Fastrack)

In T2 Spec Lines, Cadillac CT4-V Blackwing (2022-), change Weight as follows:
"3800 3750"

Applies to Cadillac CT4 Blackwing on this page: John Heinricy

2026-01-01 T2 C6 LS2 Corvette Parity Request

#39472 from Brian LaCroix · Rule change · TB 26-01 (2026-01 Fastrack)

In T2 Spec Lines, Chevrolet Corvette C6 Coupe / Grand Sport (05-13), change Restrictor as follows:
"LS2: 67mm 80mm FPR LS3: 56mm FPR"

2026-01-01 T2 T2 Tire Sizing

#39490 from Scotty B White · Rule change · TB 26-01 (2026-01 Fastrack)

In T2 Spec Lines, Dodge Viper SRT10 incl. coupe (03-06), change Weight as follows:
"3675 3650"

Applies to Dodge Viper on this page: Scotty B White

2026-01-01 T2 Rear Spoiler for Mustang GT S550 (15-23)

#39499 from Andrew Aquilante · Rule change · TB 26-01 (2026-01 Fastrack)

In T2 Spec Lines, Ford Mustang GT 5.0L (2015-2023), add to Notes the following:
"Ford Track/Performance Package parts permitted. Performance pack aero parts #M-16600-FP and #M-16601-MPP permitted."

Applies to Ford MUSTANG on this page: Scotty B White, Michael Kamalian

2026-01-01 T2 Clarify T4 Brake Rotor Allowance

#39503 from David Mead · Rule change · TB 26-01 (2026-01 Fastrack)

In GCR, Section 9.1.9.2.D.6.a.6., change as follows:
"In T2-Performance alternative rotors, including 2 piece rotors are permitted. Rotors must be within 5% of OE diameter or a
maximum diameter of 360mm.
In T3- Performance alternative rotors, including 2 piece rotors are permitted with a maximum diameter of 360mm.
T4- Performance alternative 1-piece rotors are permitted but rotors must meet the sizes listed in the spec line. Spec lines
showing alternate brake kits are also permitted to use 1-piece performance alternative rotors of the same size."

2026-02-01 T2 Request to Add 2014-2017 435i to T2

#38991 from Jimmy Cabrera · Rule change · TB 26-02 (2026-02 Fastrack)

In T2 Spec Lines, classify as follows BMW 435I (2014-2017):

A specification table follows in the original; it is not shown here.

2026-02-01 T2 Consideration for Nissan Z & NISMO Z to Touring 2 Class

#39296 from Greg Nelson · Rule change · TB 26-02 (2026-02 Fastrack)

In T2 Spec Lines, classify Nissan Z incl. Nismo as follows:

A specification table follows in the original; it is not shown here.

2026-02-01 T2 Allow Alt Bushing Material in Toe Links

#39607 from David Mead · Rule change · TB 26-02 (2026-02 Fastrack)

In GCR, Section 9.1.9.D.5.a.1., change as follows:
"T2-T4: A maximum of 3.5 degrees of negative camber is allowed on front and rear suspensions. Spec line part(s) may not be
modified to increase caster and camber. Strut suspensions may adjust camber and caster by the use of eccentric bushings,
eccentric bolts (crash bolts) at the strut-to-spindle, and/or by use of slotted adjustment plates at the top of the strut mounting
plate. If upper strut slotted adjustment plates are used, they shall be located on existing chassis structure, utilizing the
unmodified manufacturer’s original bolt holes and may not serve as reinforcement for that structure. Slotted adjustment plates
(strut camber plates) may incorporate a single spherical bearing (spherical bushing) and a ball thrust bearing per strut tower. On
other forms of suspension, camber and caster adjustment may be achieved by the use of shims and/or eccentric

2026-02-01 T2 Request for Classification of MG6 TCR in T2-TCR Class

#39702 from Vito Jin · Rule change · TB 26-02 (2026-02 Fastrack)

In T2-TCR Spec Lines, classify Link & Co 03 TCR (2019-2025) and MG6 TCR (2019-2022) as follows:
T2-TCR Transmission Power Level Weight(lbs) Notes
Link & Co 03
TCR (2019-
2025)
SEQ 90% 3000 DOT approved tires with maximum section width
of 275. T2-TCR splitter and valance must comply
with 9.1.4.D.3.f. T2-TCR chassis ride height must

2026-03-01 T2 BMW 240i Permitted Tune

#39861 from Harley Kaplan · Rule change · TB 26-03 (2026-03 Fastrack)

In T2 Spec Lines, BMW M235iR (-2016), change Notes as follows:
"Alternative tune permitted."

2026-04-01 T2 14-17 BMW 435i Brake Approval Request

#39910 from Jimmy Cabrera · Rule change · TB 26-04 (2026-04 Fastrack)

In T2 Spec Lines, BMW 435i (2014- 2017), Brakes (mm):
"(F)340mm (R) 330mm (F)370mm (R) 345mm"

2026-04-01 T2 Porsche Cayman S Spec Lines Needed for Atlanta HST

#39947 from Gary D'Abate · Rule change · TB 26-04 (2026-04 Fastrack)

In T2 Spec Lines, Porsche Cayman S (06-09), change as follows:
"(06-09) (06-08)"
In T2 Spec Lines, Porsche Cayman S, Spyder (10-12), change as follows:
Year: "(10-12) (09-12)"
Bore x Stroke(mm)/ Displ.: "96.0 x 78.0 3387 97 x 77.4 3436"
In T2 Spec Lines, Porsche Cayman S/ GTS (13-15), change as follows:
Year: "(13-15) (14-16)"
Bore x Stroke(mm)/ Displ.: "97 x 77.5 3400 3436"

2026-04-01 T2 Please address loopholes in T2 TCR

#40002 from Touring Committee · Rule change · TB 26-04 (2026-04 Fastrack)

In all T2-TCR Spec Lines, add to Notes the following verbiage to each car:
"Must conform to "2024 TCR Technical Regulations" prepared by WSC."
In GCR, Section 9.1.9.2.E. Car Classification, change as follows:
"These classifications shall be reviewed on an annual basis, and shall be effective as of January 1. Once these classifications have
been officially published, models and or specified OEM parts not available to the public or valid SCCA club members by March 1
of the calendar year will not be classified for Runoffs competition until the following calendar year.
Touring Category
Classes are as follows: T2, T3, and T4.