In GCR, change as follows: 9.1.2 Page 68: "GT-3U (GT3U)" 9.1.2.F page 320: "9.1.2.F. GT-2, 3, 3U LI TE CATEGORY SPECIFICATIONS" 9.1.3.9 Page 320: "9. All GT3U (Majors and Runoffs) cars using up to 15”x7” wheels limited to 225 section width tires shall run at current GT3 race weight plus 225lbs. All Gt3U cars shall run a DOT approved tire with a maximum section width of 245. GT3U cars are allowed optional 15”x9” wheels with a 1.5% weight addition or up to 18”x9” wheels with a 3.0% weight addition to the total weight including the 225 lbs. TCR cars are ineligible for GT3/GT3U. Table B: Alternate Vehicle and Engine Allowances Page 461:
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“Increase the minimum weight of all GT3/GT3U 2.0 liter unrestricted engines to +75 lbs. All GT3 cars running in STU must meet the minimum ride height of 3.0” for the main frame rails not including rub blocks and a 2” minimum for the front spoiler and splitter."
Correct language regarding OEM Areo Devices
#37137 from Christopher Childs · Rule change · TB 25-01 (2025-01 Fastrack)
In GCR, Section APPENDIX L. 2013 TA2 TECHNICAL REGULATIONS, B.2.c., change as follows: "B. Aerodynamic Devices 2. Rear wing c. The entire rear wing assembly, including the end plates and any Gurney flap, shall be mounted level with, or below, the peak of the roof. OEM aerodynamic devices do not need to adhere to the height rule."
A specification table follows in the original; it is not shown here.
G16E-GTS Fuel Injection Spec Line Change
#36588 from Isaac Preston · Rule change · TB 24-10 (2024-10 Fastrack)
In GTL Spec Lines, Engines - Toyota, G16E-GTS, change Notes as follows: "No Turbo, (Effective 11/1/2024)No Direct injection."
GTL Alternate Weight and Choke Option for L16 engine
#36653 from Roger Welling · Rule change · TB 24-10 (2024-10 Fastrack)
In GTL Spec Lines, Engines - NISSAN, L16 (limited Prep), change notes as follows: "(Effective 11/1/2024) Alt. chokes: 32mm @1910 lbs. Comp. Ratio limited to 12.0:1. Valve lift limited to .450”. Valve size: (I) 41.9mm (E) 33.0mm. Drysump and alternate connecting rods allowed. Refer to PCS 9.1.5.E.2.a.e.f.g.h.i for permitted limited level 2 build specs."
Request to Include Toyota GR86 in GTL
#36324 from Erik Madsen · Rule change · TB 24-09 (2024-09 Fastrack)
In GTL Spec Lines, Cars - Toyota, classify GR86 as follows: GTL Cars -TOYOTA Model Years Body Style Drive-line Wheelbase (in) Notes GR86 (Effective 11/1/2024) 2021-2023 2dr RWD 101.3
Inclusion of Modified Spec Miata for GTL competition
#36325 from Erik Madsen · Rule change · TB 24-09 (2024-09 Fastrack)
In GTL Spec Lines, Cars - Mazda, classify=Spec Miata as follows: GT3 Cars - MAZDA Model Years Body Style Drive-line Wheelbase (in) Notes
A specification table follows in the original; it is not shown here.
Include Mazda MX5 RF 2017- in GTL
#36428 from Erik Madsen · Rule change · TB 24-09 (2024-09 Fastrack)
In GTL Spec Lines, Cars - MAZDA, classify MX5 RF as follows: GTL Cars -MAZDA Model Years Body Style Drive-line Wheelbase (in) Notes MX5 RF (Effective 11/1/2024) 2017- 91.0
Add GTL to GT3 choke option line.
#36236 from Grand Touring Committee · Rule change · TB 24-07 (2024-07 Fastrack)
In GCR, Section 9.1.2.E.13.n. after 8, change as follows: "For GT3 and GTL (GTLite) only:"
In GCR Section 9.1.2.G (GTA Category Specifications), change as follows: “9.1.2.G.III.I The single-plane rear spoiler must be mounted at an angel angle from 50 to 75 degrees (perpendicular to the ground being 90 degrees) and may not extend beyond the rear bumper when viewed from directly above the rear bumper. Spoilers must be a minimum of .063 aluminum or Lexan and may vary in overall height to match the contours of the bodywork. The rear spoiler dimensions shall not exceed 59.0 inches wide by 5.0 inches in height, (measured on the material surface) , or 295.0 square inches total surface area. Braces to prevent spoiler deflection are allowed, but may serve no other purpose.”
GT Direct Injection allowance and rules
#35437 from Grand Touring Committee · Rule change · TB 24-02 (2024-01 Fastrack)
In GCR, Section 9.1.2.F.7.5.E. change as follows: “Direct Injection is not permitted only if it came OE and must be installed using only OE high pressure pump(s), hard and soft hoses and injectors.”
GT2/3 remove Direction Injection not allowed in Spec line notes
#35439 from Grand Touring Committee · Rule change · TB 24-02 (2024-02 Fastrack)
In GT2/3 modify Spec Line notes as follows: GT2: Nissan: “Direct Injection not permitted, may be used per 9.1.2.F.7.5.E.” GT3: Mazda: “Direct Injection not permitted, may be used per 9.1.2.F.7.5.E.” Mitsubishi 4G93: “Direct Injection not permitted, may be used per 9.1.2.F.7.5.E. ” Nissan QR25DE/DD 1988cc: “Direct Injection not permitted, may be used per 9.1.2.F.7.5.E.” Nissan QE25DE/DD 2489cc: “Direct Injection not permitted, may be used per 9.1.2.F.7.5.E.”
Rotary Engine 12A Rotor Housings
#35131 from Tony Rivera · Rule change · TB 24-01 (2024-01 Fastrack)
In GT3 Engines - Mazda Spec Lines, add to Notes as follows: 12A Street Port: "Contact National Office for specific details of various allowable port configurations. May machine and use 13B housing to O.E. 12A spec’s." 12A Bridge Port: "Optional choke size 42mm @2010lbs. May machine and use 13B housing to O.E. 12A spec’s." 12A Peripheral Port @ 2150lbs: "May machine and use 13B housing to O.E. 12A spec’s." 12A Peripheral Port @ 2300lbs: "Disenfranchised GT2* May machine and use 13B housing to O.E. 12A spec’s."
Request to Include Toyota GR86 in GTL
#35198 from Erik Madsen Madsen · Rule change · TB 24-01 (2024-01 Fastrack)
In GTL Cars - TOYOTA Spec Lines, classify DR86 as follows: GTL Cars - TOYOTA Model Years Body Style Drive-line Wheel-base (in) Notes DR86 2021-2024 2 DR RWD 101.3
Errors and Omissions, GTL engines & Cars
#35226 from Peter Zekert · Rule change · TB 24-01 (2024-01 Fastrack)
In GTL Cars - BMC thru Rover Group Spec Lines, BMW Mini, change Years as follows: "2002-2013"
Small Engines in GT Lite
#34842 from Peter Zekert · Rule change · TB 23-12 (2023-09 Fastrack)
In GCR, GTL Cars, create new sub chart as follows: In GTL change weights for unrestricted engines under 1399cc as follows: Alfa Romeo 1130cc 1605 1565 1290cc 1605 1565 1357cc 1605 1565 AMC/Renault 1289cc 1660 1619 Triumph Spitfire 1147cc 1530 1492 mini 1275cc 1570 1531
#35020 from Peter Zekert · Rule change · TB 23-12 (2023-09 Fastrack)
In GTL Honda Cars, classify Honda Fit as follows: GTL HONDA Cars - Model Years Body Style Drive-line Wheel-base (in) Notes FIT 2009-13 2 Dr. FWD 99.0 Alternate wheel bases 94.0” 97.0”
Errors in GTCS Headings and Use of the Terms Category and ClassChange existing GTL and GTA Rules
#34453 from David Gomberg · Rule change · TB 23-12 (2023-12 Fastrack)
from the current (or before) Table of Contents (TOC), to what is shown in the after TOC. GTL spec lines will now be contiguous with GT2 and 3 spec lines. GTA category and spec lines will be moved and renumbered behind GTL. GTA Section will not change but page numbers will, (as shown in Red italics). 9.1.2.F. GT-2, 3, LITE Category Specifications 314 GT2 Cars 327 GT2/ST 341 GT3 Cars 348
#34918 from Wilson Wright Jr · Rule change · TB 23-11 (2023-11 Fastrack)
In GTL Spec Lines, GTL Engines - NISSAN, Engine Family A14, change weight as follows: "1850 1800"
Please classify Fields Cardinal V8
#33784 from James Rogersn · Rule change · TB 23-05 (2023-05 Fastrack)
In GT Spec Lines, GT1 Cars - Fields Cardinal, classify Fields Cardinal V8 as follows: GT1 Cars – Fields Cardinal Model Years Body Style Drive- line Wheel- base (in) Notes Fields Cardinal V8 2023 2 Dr. RWD 92.0 Roll Cage MUST be modified to comply with
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GCR Section 9.4. In GT Spec Lines, GT1Engines - classify Ford V8 as follows: GT1 Engines - Ford Engine Family Engine Type Bore x
A specification table follows in the original; it is not shown here.
Toyota 4Y Engine Classification Request
#33562 from Scott Schick · Rule change · TB 23-02 (2023-02 Fastrack)
In GTL Spec Lines, Engines - Toyota, add to Notes as follows: 3K: "May use 4Y block only" 4K: "May use 4Y block only" 5K: "May use 4Y block only"
Toyota 4A-F and 4A-FE 1.6L DOHC 16V Engine Request
#33415 from Scott Schick · Rule change · TB 23-01 (2023-01 Fastrack)
In GT2 Spec Lines, Engines - Toyota, add the following Spec Line: Engines - TOYOTA Engine Family Engine Type Bore x
A specification table follows in the original; it is not shown here.
Fiat HP Limited Prep X1/9 Weight in GTL
#33297 from Larry Svaton · Rule change · TB 22-12 (2022-12 Fastrack)
In Gt Light Engines Spec Lines, 1500 Limited Prep (Engine & Chassis), change weight as follows: "2000 → 1835"
In GCR Appendix L-TA2 rules, Addendum A, change A.2. as follows: "The throttle body must be either a GM 90mm, electronic, part #1257 → 0790, or Edelbrock 90mm, mechanical, part 33869 or #3870." In GTA, GCR Section 9.1.2.G.3., change as follows: "The throttle body must be either a GM 90mm, electronic, part #1257 → 0790, or Edelbrock 90mm, mechanical, part 33869 or #3870."
Request to add Ford Festiva to GTL
#33335 from Jason Martin · Rule change · TB 22-12 (2022-12 Fastrack)
In GT Cars - GT Light Spec Lines, add Ford Festiva as follows: GT Cars – GT Lite Model Years Body Style Drive- line Wheel- base (in) Notes Ford Festiva 1988-1993 3 Dr.
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Hatchback FWD 90.2 In GT Lite Engines, Spec Lines, add Mazda B3 as follows: GT Lite Engines -
A specification table follows in the original; it is not shown here.
Engine Request
#33064 from Isaac Preston · Rule change · TB 22-11 (2022-11 Fastrack)
In GTL Spec Lines, Engines - TOYOTA, add as follows:
A specification table follows in the original; it is not shown here.
Tail lights on all GT category race cars.
#32799 from John Mills · Rule change · TB 22-09 (2022-09 Fastrack)
In GT, GCR Section 9.1.2.F.7.a.6: "Glass and/or plastic headlights, front parking lights, front signal lights, lenses, and bulbs shall be removed. Headlight openings shall be covered with a wire mesh screen or panel having the same contour as the original lens, mounted so that the headlight bezel/rim remains in place, maintaining the standard appearance of the Production automobile. Side marker light assemblies shall be removed and the resulting openings covered with a plate whose dimensions do not exceed those of the original parts; side marker lights that are an integral part of the taillight assembly cannot be removed. Other lighting parts and operating mechanisms may be removed. In the case of pop-up headlights, the entire assembly may be removed and the opening covered with a screen or plate (as above, without the headlight bezel/rim requirement) which provides a stock appearance. It is not
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permitted to relocate the standard headlight, parking light, signal light, etc., openings. Traditional GT cars only. Not allowed with any "Spec Car, GT2-ST, or any other added non Traditional GT car. Taillights shall be in the original location and shall may be the original style/type of taillight for the make, model, and year of car. A rear body panel having the same contour as the original lens area and in the original location, may be fitted with a tail-light graphic of the original style/type frame/lens adhered to it. If side marker lights are an integral part of the tail-light assembly they must be represented by the panel graphic. These panel/graphics shall have a functioning red LED lamp assembly fitted through them on both sides of the car to serve as brake lights. A 15-watt or equivalent rain light may be included with-in this LED assembly or may be a separately mounted single or dual LED assembly."
Request to Classify Ginetta G40 in GTL
#31599 from Richard Gray · Rule change · TB 22-03 (2022-03 Fastrack)
In GT Cars - Ginetta G40 as follows: GTL Cars - GINETTA Model Years Body Style Drive- line Wheel- base (in) Notes Ginetta G40 2002-
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Present 2-Door Coupe RWD 88.6” Must comply with all GTL rules except as noted on spec line. May use FIA roll cage. Must have complete build specs in possession at all race events. In GT Engines - Ginetta/Ford Zetec as follows: GTL Engines - GINETTA Engine Family Bore x Stroke (mm) Disp. (CC) Head Type Valves / Cyl. Fuel Induction Weight (lbs) Notes Ginetta/Ford Zetec 80.6mm X 88.0mm 1796cc Crossflow 4 22.5 SIR 2050 + 51 lbs for IRS. + 26lbs. for sequential.
In GCR, Section 9.1.2.G.16., change as follows: "0-80541-1 0-80541-2" In GCR, Section 9.1.2.G., Appendix Z 5.a. change as follows: "0-80541-1 0-80541-2" In GCR, TA2 Appendix B.3.4, change as follows: "#6010 6014X"
Request clarification for the Honda B18a,bVS B18c
#30482 from Joe Harlan · Rule change · TB 21-07 (2021-07 Fastrack)
In GTL Engines - HONDA, change Split B18 as follows: GT Engines - HONDA Engine Type Bore x Stroke (mm) Disp. (CC) Head Type Valves / Cyl. Fuel Induction Weight (lbs) Notes
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DOHC 81.0 X 87.2 1797 Alum, Crossflow 4 22.5mm SIR 2050 DOHC 81.0 x 89.0 1834 Alum, Crossflow 4 22.5mm SIR 2065
Request to Allow Hood Bulge on Nissan B13 Sentra
#30504 from Jameson Savage · Rule change · TB 21-07 (2021-07 Fastrack)
In GTL Spec Lines, Sentra (B13), add to Notes as follows: "May have hood bulge (Max. of 1.5”H x 10.0” L x 6.0 W)"
Request BMW E21 Classing
#30582 from Jacob Lueder · Rule change · TB 21-07 (2021-07 Fastrack)
In GT Cars - BMW, add the following: GT Cars - BMW Model Years Body Style Drive- line Wheel- base (in)
Request for Help for Mazda 12A
#29754 from Michael Lewis · Rule change · TB 21-01 (2021-01 Fastrack)
In GTL Engines - MAZDA, Spec Lines, 12A, change as follows effective 3/1/2021: Fuel Induction: "27 29mm SIR" Weight: "1950 2000" Notes: "May use a 28mm SIR plus 175lbs."
Request LP HP Fiat X1/9 & Bertone 1500 to GTL
#30058 from Larry Svaton · Rule change · TB 21-02 (2021-02 Fastrack)
In GTL, classify FIAT X-1/9 Bertone, as follows: GT Engines – FIAT X-1/9 Bertone Engine Family Engine Type Bore x Stroke (mm) Disp.
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(CC) Head Type Valves /
A specification table follows in the original; it is not shown here.
Please Add GTL Nissan 1.8L Engine MRA8DE
#29805 from Peter Zekert · Rule change · TB 21-01 (2021-01 Fastrack)
In GT Engines, classify the MRA8DE as follows: GT Engines - Engine Family Engine Type Bore x
A specification table follows in the original; it is not shown here.
Increase 13b SIR size
#29867 from Grand Touring Committee · Rule change · TB 21-01 (2021-01 Fastrack)
In GTL, Spec Lines, Engines - MAZDA 13B, change as follows: Fuel Induction: "26 28mm SIR" Notes: "May use a 27mm SIR plus 175lbs."
In Appendix L TA2 Rules, clarify wording as follows: “4.8.4.1.10.1.1: The maximum height of the wing, including end plates and wicker Gurney flap, can be no greater than the highest point on the roof. The roof may not be altered or pushed up to increase its height.” “4.8.4.1.10.1.5: The wing end plates must fit within a rectangle measuring 11.00 inches long by 4.00 inches tall. All wing elements, including the wicker bill Gurney flap, must be kept within the profile of the end plates. The endplates must be mounted parallel to the vehicle centerline, and must be perpendicular to the ground. Endplates must be flat, with no curvature or Gurney tabs flap. “
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“4.8.4.1.10.1.6: A wicker bill (Gurney) Gurney flap may be added to the wing element. It must be a uniform shape across the complete width of the wing. No air may pass between the wicker bill Gurney flap and the wing. It must form a 90 degree angle with the wing surface. The size of the wicker bill Gurney flap cannot exceed 0.50 inch high as measured from the wing surface. The thickness of the wicker Gurney flap material must be 0.625 inch.” “4.8.4.1.10.2.4: The dog leg style Howe endplates must be used without modification. All wing elements, including the wicker bill Gurney flap, must be kept within the profile of the end plates. The endplates must be mounted parallel to the vehicle centerline, and must be perpendicular to the ground. Endplates must be flat, with no curvature or Gurney tabs flap. “ “4.8.4.1.10.2.5: A wicker bill (Gurney) Gurney flap may be added to the upper wing element. It must be a uniform shape across the complete width of the wing. No air may pass between the wicker bill Gurney flap and the wing. It must form a 90 degree angle with the wing surface. The size of the wicker bill Gurney flap cannot exceed 0.375 inch. The thickness of the wicker bill Gurney flap must be 0.0625 inches.” “4.8.4.2.10.3.4: The dog leg style Howe endplates must be used without modification. All wing elements, including the wicker bill Gurney flap, must be kept within the profile of the end plates. The endplates must be mounted parallel to the vehicle centerline, and must be perpendicular to the ground. Endplates must be flat, with no curvature or Gurney tabs flap. “ “4.8.4.2.10.3.5: A wicker bill (Gurney flap) Gurney flap may be added to the upper wing element. It must be a uniform shape across the complete width of the wing, and must be kept within the profile of the end plates. It must form a 90 degree angle with the wing surface. The size of the wicker bill Gurney flap cannot exceed 0.375 inch high as measured from the wing surface. The thickness of the wicker Gurney flap material must be 0.0625 inch.”
In Appendix K, STO, clarify wording as follows: B.2.a.: "Wings shall be a single element with a maximum chord length of 12.00 inches, including any wicker Gurney flap." B.2.c.: "The entire rear wing assembly, including the end plates and any wicker Gurney flap, shall be mounted level with, or below, the peak of the roof."
In GT, GCR section 9.1.2.F.7.b.12., clarify Gurney flap as follows: "D. The use of fences, end rails, Gurney flaps, wickerbills,or other forward facing lips or aerodynamic devices is prohibited." "E. A maximum 0.50 inch Gurney tab flap is allowed at the trailing edge of the wing element. The tab must be mounted 90 degrees to the upper wing surface. No air may pass between the tab and the wing. The endplates must be mounted parallel to the vehicle centerline, and must be perpendicular to the ground. Endplates must be flat, with no curvature or Gurney tabs flaps." "GT3: The maximum width of the entire wing assembly (wing element, endplates, Gurney tab flap and
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mounting hardware) is 64.00 inches, but no wider than the rear body width including fender flares." In GT, GCR section 9.1.2.F.7.b.13., clarify Gurney flap as follows: "A. Endplates must be flat, with no curvature or Gurney tabs flap. A maximum 0.5-inch wicker- bill Gurney flap may be employed." In GT, GCR section 9.1.2.F.7.b.15.D., clarify Gurney flap as follows: "2. Rear Wing: Wings shall be a single element with a maximum chord length of 12.00 inches, including any wicker Gurney flap." "4. The entire rear wing assembly, including the end plates and any wicker Gurney flap, shall be mounted level with, or below, the peak of the roof."
Mazda 13b Restrictor Size Follow up to Letter 28518
#29015 from Joe Harlan · Rule change · TB 20-07 (2020-08 Fastrack)
Thank you for your letter. Please see the response to letter #28518 in this Fastrack.
Stall Test
#28709 from Chris Doodson · Rule change · TB 20-06 (2020-06 Fastrack)
In Appendix F., SIR testing procedure:, change as follows: "The system is to be tested as is and the result is considered “as qualified or raced”. It is the responsibility of the competitor to present a system that can withstand every possible scenario that would or could result in a failed SIR stall test. The intake system shall be visually inspected for devices and design that could result in induction of additional air that did not pass through the SIR. Introduction of air behind the SIR by any means is prohibited. All inspections must be done in "as qualified or raced" condition."
GTL Wing Rule
#28754 from Grand Touring Committee · Rule change · TB 20-05 (2019-05 Fastrack)
In GTL, GCR section 9.1.2.F.7.b.13.F, add as follows: "Openings in the side view of the wing mounts are not included in the sq. inch limit."
Wing Mounting Upright Size
#27641 from Joe Harlan · Rule change · TB 20-01 (2020-01 Fastrack)
In GT Category Specifications, section 9.1.2.F.7.b.13., add the following: “Effective 3/1/2020, F. Two wing mounting posts must be used, with each one located within 2"-20" inboard from the end of the wing. The exposed portion of the wing mounting posts must not exceed 85 square inches each. Curved brackets will be measured as if they're in a flat plane as viewed from the side. Mounting brackets are to be included in the measurement."
Wing Mounting Upright Size
#27641 from Joe Harlan · Rule change · TB 20-02 (2020-02 Fastrack)
In GT Category Specifications, section 9.1.2.F.7.b.13., add the following effective 3/1/2020: "F. Two wing mounting posts must be used, with each one located within 2"-20" inboard from the end of the wing. The exposed portion of the wing mounting posts must not exceed 85 square inches each. Curved brackets will be measured as if they're in a flat plane as viewed from the side. Mounting brackets are to be included in the measurement."
GTL wing end plates addition
#28243 from Grand Touring Committee · Rule change · TB 20-03 (2020-03 Fastrack)
In GTL, GCR section 9.1.2.F.7.b.13.A, change the GTL wing rules as follows: "The maximum width of the entire single element, flat plane wing assembly (wing element, endplates, and mounting hardware) is 56.0 inches, but it may be no wider than the bodywork including fender flairs. The maximum chord is 8.0 inches. Wing endplates must fit within a rectangle measuring 8.5 inches wide by 3.0 inches high. may be a maximum of 64 Sq. inches. Endplates must be flat, with no curvature or Gurney tabs. A maximum 0.5-inch wicker-bill may be employed."
Clarification to letter #27406
#28309 from Grand Touring Committee · Rule change · TB 20-03 (2020-03 Fastrack)
In GTL, Mazda Engines 12A Street Port, change weight as follows: "2000 1950"
In GCR section 9.1.2.F.6.c.1, add as follows: Alternatively, the bottom may be captured in a channel. "No clips or straps are required if bonded-glass factory windshields and/or rear windows are attached to chassis per original specifications (i.e., glass-bonding adhesive).”
Request Factory Five Daytona coupe classification
#26308 from Andrew Wickline · Rule change · TB 20-01 (2020-01 Fastrack)
In GTX - MISC., Classify and add as follows: GTX – MISC. Make Model Engine Restrictor mm Weight (lbs) Notes Factory Five Type 65 Coupe R Ford 302/351
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NA 2600 Factory Five Type 65
A specification table follows in the original; it is not shown here.
Request to Classify the MK1 two door Jetta
#27648 from Tim Linerud · Rule change · TB 20-01 (2020-01 Fastrack)
In GTL, classify the Jetta Mk 1 as follows: GTL Cars - Model Years Body Style Drive-line Wheel- base (in) Notes
88-91 Honda CRX Spec Line Correction
#27233 from Jonathan Spiegel · Rule change · TB 19-12 (2019-12 Fastrack)
In GTL, Honda CRX 84-87, change notes as follows: "Hood bulge permitted, no openings. May mount wing per hatchback-station wagon spec, but no part of the wing assembly may be above the highest point of the roof. May utilize IRS with a 2.5% weight penalty." In GTL, Honda CRX 88-91, change notes as follows: "Hood bulge permitted, no openings. May mount wing per hatchback-station wagon spec, but no part of the wing assembly may be above the highest point of the roof. May utilize IRS with a 2.5% weight penalty."
Fun Cup Beetle
#27334 from Grand Touring Committee · Rule change · TB 19-09 (2019-09 Fastrack)
In GTL, Fun Cup Beetle, revise the spec line as follows: GTL Engine Engine Family Engine Type Bore x
A specification table follows in the original; it is not shown here.
GTL
#26960 from Grand Touring Committee · Rule change · TB 19-08 (2019-08 Fastrack)
In GTL, Fun Cup Beetle, make changes to the spec line as follows: GTL Car VW Model Years Body Style Drive-line Wheel-base (in) Notes Fun Cup Beetle (1.8L) All 2 dr. RWD 94.5 1.8L “Fun Cup” VW/AUDI only (no other
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displacements permitted) 24.5mm SIR @2040 lbs. Engine seals need not be in place. Alternate engine build spec: (Production Limited Prep Level 2) Water cooled, SOHC 81.0 x 86.4, 1780cc, Alum, Non Crossflow, 1 carb restricted to 32mm venturis. @ 2040lbs. Comp Ratio limited to 12,0:1, Valve lift limited to .425”. Refer to PCS 9.1.5.E.2.a.e.f.g.h.i for Limited Prep Level 2 build specs. VW "Fun Cup" Beetle chassis as spec'd in the Fun Cup rule set, must conform to all other safety related rules per GCR or GTCS. Must have rule set in possession at event. See VW engine table for acceptable engines for this chassis.
Request CRZ wheelbase change
#26896 from Peter Shadowen · Rule change · TB 19-07 (2019-07 Fastrack)
In GTL, Honda CRZ (10-14), CRZ (15-16), Insight (00-06), make changes to the notes as follows: GTL Cars - Honda Model Years Body Style Drive-line Wheel-base (in) Notes CRZ 10-14 3DR FWD 95.9 Alternate wheelbase 90.6 in.
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CRZ 15-16 3DR FWD 103.1 Alternate wheelbase 90.6 in. Insight 00-06 3DR FWD 94.5 Alternate wheelbase 90.6 in.
In GTL, classify the Fun Cup Beetle as follows: Model Years Body Style Drive-line Wheel- base (in) Notes Fun Cup Beetle
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All 2 dr. RWD 94.5 VW “Fun Cup” Beetle chassis as spec’d in the Fun Cup rule set, must conform to all other safety related rules per GCR or GTCS. Must have rule set in possession at event. See VW engine table for acceptable engines for this chassis.
Request GTX Fuel injection for previous GT-1 tube frame cars
#26141 from Michael Major · Rule change · TB 19-05 (2019-05 Fastrack)
In GTX, GCR section 9.1.2.H.I.3, add throttle body size as follows: “GTX tube frame cars may install fuel injection system, maximum throttle body size TBD 90mm.”
In GT1, GCR section 9.1.2.D.5.a.1, omit ride height and re-number section as follows: “a. Ride Height 1. No part of the car to the rear of the front tire opening, including the exhaust, may touch the ground when two (2) tires on the same side of the vehicle are deflated.” In GT-2, 3, LITE, GCR section 9.1.2.F.7.b, remove and re-number section as follows: “3. No part of the bodywork or chassis, to the rear of the front wheel opening, shall touch the ground when both tires on the same side of the car are deflated.”
Request Mazda 12a Rotary SIR Increase
#26081 from James Gregorius · Rule change · TB 19-03 (2019-03 Fastrack)
In GTL, Mazda 12A motor, add to the notes as follows: “May use a 28mm SIR plus 175lbs.”
Request to Classify Mustang 2 Body in GTL
#26222 from Bob Dowie · Rule change · TB 19-03 (2019-03 Fastrack)
In GTL, classify the Mustang (94-04) as follows: GTL Cars - Ford Model Years Body Style Drive-line Wheel- base (in) Notes
Request for GTL Mini Adjustments
#25754 from Chris Kopley · Rule change · TB 19-01 (2019-01 Fastrack)
In GTL, Engines - BMC thru Rover Group, Mini/Sprite/Midget, 1275 1380 1399, Iron, non- Crossflow, change notes as follows: “Any mini that retains the OE common sump gearbox configuration may reduce their weight by 50 125 lbs.” In GTL, Engines - BMC thru Rover Group, Mini/Sprite/Midget, 1275 1380 1399, Alum. Crossflow, change notes as follows: “Any mini that retains the OE common sump gearbox configuration may reduce their weight by 50 125 lbs.”
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The not recommended portion of this letter can be found in letter #26020.
BMC thru Rover Group remove long inactive mini
#25771 from Grand Touring Committee · Rule change · TB 19-01 (2019-01 Fastrack)
engines. In GTL, BMC thru Rover Group, remove these long inactive Mini engines: 948,970,1071,1098 Mini OHV 62.992 x 76.2 948 Iron, nonCrossflow 2 Unrestricted 1210 Any mini that retains the OE common sump gearbox configuration may reduce their weight by 50 lbs. Mini OHV 70.6 x 61.91 970 Iron, nonCrossflow 2 Unrestricted 1235 Any mini that retains the OE common sump gearbox configuration may reduce their weight by 50 lbs. Pierce aluminum cylinder head part #99003.843 allowed. Mini OHV 70.6 x 68.26 1071 Iron, nonCrossflow 2 Unrestricted 1330 Any mini that retains the
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OE common sump gearbox configuration may reduce their weight by 50 lbs. Pierce aluminum cylinder head part #99003.843 allowed. Mini OHV 64.516 x 83.82 1098 Iron, nonCrossflow 2 Unrestricted 1380 Any mini that retains the OE common sump gearbox configuration may reduce their weight by 50 lbs.
GTX Homologation table update
#26034 from Club Racing Board · Rule change · TB 19-01 (2019-01 Fastrack)
In GTX, FIA GT3, classify the Audi R8, BMW Z4, and Ferrari 488 Challenge as follows: FIA GT3 - Make Homologation Model Restrictor mm Weight (lbs) Notes Acura GT3- 047 NSX (2) 35 TIR 3015 Aston Martin GT3-O32 Vantage (2) 41.5 2980 Audi GT3-017 R8 (2) 40 TIR 2900 Audi GT3-038 R8 LMS (2) 39 TIR 2980
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Bentley GT3-035 Continental (2) 38 TIR 3070 BMW GT3-043 M6 (2) 34 TIR TBD BMW GT3-023 Z4 70 2800 Chevrolet GT3-045 Corvette C7 52 3070 Dodge GT3-036 Viper (2) 39 3120 Ferrari GT3-029 458 (2) 40 3025 Ferrari GT3-044 488 (2) 35 TIR 3025 Lamborghini GT3-040 Huracan (2) 39 TIR 3015 Mclaren GT3-037 650S (2) 36 TIR 2915 Mercedes GT3-042 AMG GT (2) 34.5 TIR 3090 Porsche GT3-041 991 (2) 41.5 2960 Nissan GT3-030 GT-R (2) 40 TIR 3050
A specification table follows in the original; it is not shown here.
Other letters
Response to letter 37919
#37950 from Armen Megregian · Not recommended · Minutes (2025-07 Fastrack)
Thank you for your letter. The balance of performance (BOP) is based on the performance potential of any car in any given class.
List GTL as a Regional Class in GCR Section 9.1.2
#37193 from SCCA Staff · Recommended to the Board · Minutes (2024-11 Fastrack)
In GCR section 9.1.2 make changes as follows:
New GTL FP Rules Spec
#36735 from Isaac Preston · Not recommended · Minutes (2024-11 Fastrack)
Thank you for your letter. Please see the CRB response to your letter #36734 in current Fastrack.
New GTL FP Rules Spec
#36734 from Isaac Preston · Not recommended · Minutes (2024-11 Fastrack)
Thank you for your letter. At this time the CRB's intention is to monitor the FP/GTL cars comparing between the FP and GTL rule sets in order to achieve an accurate BOP. The CRB's goal is to get as much data as possible from the Runoff's and early 2025 season races. Participation will be paramount in achieving a proper BOP.
Combination of GTL and FP
#36733 from Erik Madsen · Not recommended · Minutes (2024-11 Fastrack)
Thank you for your letter. The CRB's intention is to collect data starting early in 2025; if data shows that adjustments are needed for BOP they will be done quickly. The intention is an accurate BOP between both classes being combined.
Add choke size wording to GCR
#36511 from Ken Gassin · Recommended to the Board · Minutes (2024-09 Fastrack)
In GCR, Section 9.1.2.F.7.k., change the following: "k. GTLite Rules Concerning Alternate Weights, Chokes and SIRs" In GCR, Section 9.1.2.F.7.k., add the following: "Competitors running the alternate choke option must display the word "CHOKE" as well as size in mm next to the weight."
Request to Allow Direct Injection on Toyota G16E-GTS Engine
#36205 from Isaac Preston · No action required · Minutes (2024-08 Fastrack)
Thank you for your letter. May we direct you to a recent rule change concerning "direct injection" on GCR page #307 Section: n. Fuel Induction System 5.E.
Allow Chokes on GTL Same as GT3 (Ref. 9.1.2)
#36150 from Greg Hotz · Taken care of · Minutes (2024-07 Fastrack)
Thank you for your letter. Please see letter #36236 in current Fastrack Technical Bulletins.
B-Spec-type cars in GTL
#35230 from Frank Schwartz · No action required · Minutes (2024-01 Fastrack)
Thank you for your letter. The BMW MINI is already classified in GTL and has been for many years.
Adding BSPEC cars and engines to GTL
#35228 from Jonathan Stalzer · Not recommended · Minutes (2024-01 Fastrack)
Thank you for your letter. As an already classified SCCA class with rules of their own the Bspec cars do not comply with the GTL rules.
9.1.2.10 Sequential Shifted Transmission Request
#35196 from Erik Madsen Madsen · Not recommended · Minutes (2024-01 Fastrack)
Thank you for your letter. The CRB feels that this request is inappropriate for the class.
Ref. #34918
#35158 from Wilson Wright Jr · Not recommended · Minutes (2024-01 Fastrack)
Thank you for your letter. A new "Small Bore" GTL weight reduction chart will be published in the December 2023 Fastrack.
GT Committee Application and Resume
#35118 from Ken Gassin · Member feedback requested · Minutes (2024-01 Fastrack)
Thank you for your resume. The GTAC would like to accept your offer to join the GT Advisory Committee. DATE: December 20, 2023
Equalization of Trap Speeds in GTL
#35114 from Michael Lewis · Not recommended · Minutes (2024-01 Fastrack)
Thank you for your letter. The CRB is very aware of the potential issues that you speak of and will continue to monitor the class.
Public Data
#34954 from Steve Davis · Not recommended · Minutes (2024-01 Fastrack)
Steve- The "data" that is compiled from the SOLO boxes is available only to the Data Team who prepare reports for review by the AC's and CRB. We do not believe that putting that information into the public domain would result in any appreciable improvement in the road racing program. Thank you for your interest in the program.
Follow-up on Letter 34453
#35170 from David Gomberg · Taken care of · Minutes (2023-12 Fastrack)
Thank you for your letter. Please see letter #34453 in current Fastrack.
Requested Changes to the GTL Class
#35016 from David Blain · Not recommended · Minutes (2023-12 Fastrack)
Thank you for your letter. All engines of 1375 cc and larger displacement must run a restrictor. You are welcome to modify your car to the full extent of the GTL rules. As for your IRS weight reduction request the current 2.5% IRS penalty has recently been reduced to 1.25%, please see letter #35012 in current Fastrack.
Makes no sense
#34713 from Philip Di Pippo · No action required · Minutes (2023-11 Fastrack)
Thank you for your letter. Please see letter #34815 in current Fastrack.
adjustments based on Runoffs and other data?
#33841 from Brian Linn · No action required · Minutes (2023-04 Fastrack)
Thank you for your letter. The CRB will continue to monitor the data received on the GTLite class.
Inline 3 Engine Setback
#33371 from Isaac Preston · Not recommended · Minutes (2023-01 Fastrack)
Thank you for your letter. Allowed GT engine set back allowances are in the GTCS under 9.1.2.F7.e.13.
9.1.2.F.7.n.4.D
#33170 from Peter Zekert · Recommended to the Board · Minutes (2022-12 Fastrack)
In GT-2, 3, LITE CATEGORY SPECIFICATIONS, GCR section 9.1.2.F.7.n.4.D, add as follows: "Carburetors shall incorporate a butterfly-type throttle plate for engine speed control. For GTLite only: Carburetors shall incorporate a butterfly or slide-type throttle plate for engine speed control."
9.1.2.F.7.c.1
#33169 from Peter Zekert · Not recommended · Minutes (2022-11 Fastrack)
Thank you for your letter. The CRB feels that the current method of competitors requesting an alternate wheel base be added to their "spec line" is the best way to deal with this!
Supplement and Correction to letter #32699 (Ginetta G56)
#32702 from Philip Di Pippo · No action required · Minutes (2022-11 Fastrack)
Thank you for your letter. Please see letter #33076 in September 2022 Fastrack.
Response and Further Request Following Letter 32514 (Ginetta G56)
#32699 from Philip Di Pippo · No action required · Minutes (2022-10 Fastrack)
Thank you for your letter. Please see letter #33076 in September 2022 Fastrack.
Lack of Mirrors on GT cars
#32837 from Andrew Aquilante · Not recommended · Minutes (2022-09 Fastrack)
Thank you for your letter. The wording as shown in 9. Cars and Equipment: 9.3.35 is satisfactory wording for all GT car mirror placement if used and enforced!
#32734 from Peter Zekert · Not recommended · Minutes (2022-09 Fastrack)
Thank you for your letter. The CRB believes that although a weight reduction may be beneficial it is felt that other small bore cars besides the Nissans may be at their limit for what can be practically and safely removed to reach these lower weighs. Understand that this request must be applicable to all small bores.
Member input for newer (modern) engines in GTL
#32948 from Grand Touring Committee · Member advisory · Minutes (2022-08 Fastrack)
The GT Advisory Committee is asking for help and ideas for "Modern Engines 1.9L and under" either "Full Prep" or "Limited Prep" that we can add to GTL! Please send suggestions and Spec's!
Monitor and Adjust small bore (under 1.4L) in GTLite
#32672 from Peter Zekert · Not recommended · Minutes (2022-08 Fastrack)
Thank you for your letter. One of your requests is not recommended, however, please see the "What do you think" letter #32948 that are in response to your other requests.
Request to Allow Volkswagen Direct Injected 1.4/1.6 Liter Engines
#29699 from Erik Madsen · No action required · Minutes (2022-03 Fastrack)
Thank you for your letter. Several attempts have been made at contacting letter writer for more information with no response.
Simplifying Wheelbase Requests in GTL
#31878 from Peter Zekert · Not recommended · Minutes (2022-02 Fastrack)
Thank you for your letter. Not Recommended as the CRB will review any request for wheel base change when requested.
SIR Update for Toyota 2TC & 3TC Engines
#31546 from Rusty Bell · Not recommended · Minutes (2022-02 Fastrack)
Thank you for your letter. The engines listed in your request are classified correctly within their parameters of displacement and number of valves within the GTLite class.
Request help for small (ex-GT5) engines in GTLite
#31421 from Peter Zekert · Not recommended · Minutes (2022-02 Fastrack)
Thank you for your letter. This request is not recommended. Upon reviewing RUNOFF'S collected data, not all small bore GTLite cars are at the disadvantage that you refer to.
Request Use of Aftermarket Honda B16 Cylinder Head.
#31126 from Peter Shadowen · Not recommended · Minutes (2021-10 Fastrack)
Thank you for your letter. Availability of the Honda B16 cylinder head seemed adequate. Additionally, it is unknown if this aftermarket part is more responsive to modification.
Request SCCA data boxes in ALL GTL cars, ALL sessions 2021 Runoff
#30938 from Peter Zekert · Not recommended · Minutes (2021-09 Fastrack)
Thank you for your letter. There will be a "Data Team" working the 2021 Runoff's. As there are 24 classes, all sharing the use of the same data boxes, data boxes being installed in one class for every track session is not possible.
Request to Allow Volkswagen Direct Injected 1.4/1.6 Liter Engines
#29699 from Erik Madsen · No action required · Minutes (2021-09 Fastrack)
Several attempts have been made at contacting letter writer for more information with no response.
9.1.2 GTL Spec Line Mazda 12A SIR incorrect
#30841 from Michael Helm · No action required · Minutes (2021-08 Fastrack)
Thank you for your letter. Please see response to letter #30778 in current Fastrack.
Clarify Mazda 12a engine spec line
#30839 from Kenneth Gassin · No action required · Minutes (2021-08 Fastrack)
Thank you for your letter. Please see response to letter #30778 in current Fastrack.
Request to Repeal Mazda +2mm, and Honda Adjustments
#30807 from Scott Twomey · No action required · Minutes (2021-08 Fastrack)
Thank you for your letter. Please see response to letter #30778 in current Fastrack.
GTL Parity
#30802 from Brian Linn · No action required · Minutes (2021-08 Fastrack)
Thank you for your letter. Please see response to letter #30778 in current Fastrack.
Follow up to my letter #30778
#30797 from Lans Stout · No action required · Minutes (2021-08 Fastrack)
Thank you for your letter. Please see response to letter #30778 in current Fastrack.
Mazda +2mm SIR
#30786 from Tim Linerud · No action required · Minutes (2021-08 Fastrack)
Thank you for your letter. Please see response to letter #30778 in current Fastrack.
Request rules adjustment for equality
#30784 from Joe Huffaker · No action required · Minutes (2021-08 Fastrack)
Thank you for your letter. Please see response to letter #30778 in current Fastrack.
Opposes the rotary SIR adjustment
#30778 from Lans Stout · No action required · Minutes (2021-08 Fastrack)
Thank you for your letter. To date the only data that has been collected via SCCA data boxes was on Saturday 5-15-2021. During that session the Mazda's were third fasted in almost all sectors. Based on this data an adjustment is not warranted at this time. The CRB will continue to monitor the class.
Request Honda B16A engine
#30763 from Chris Doodson · No action required · Minutes (2021-08 Fastrack)
Thank you for your letter. Parts may be interchanged as long as no modifications to either block or Cylinder head are necessary for fitment. VVT is not permitted.
GTL Honda B18a, B18b & B18c engine spec line correction
#30813 from Grand Touring Committee · Member advisory · Minutes (2021-07 Fastrack)
This is an advisory to GTL competitors using Honda B18a, B18b or B18c engines that a correction to this engines spec line has been made! It has been brought to the CRB's attention that combining heads and blocks of these three engines to build a "hybrid" engine may be taking place in GTL! It is not permitted to build such "hybrid" engines in any GT class unless it is specifically stated in the engine "spec line" notes.
Request to remove SIR restriction from Toyota 2TC in GTL
#30576 from Robert Parks · Not recommended · Minutes (2021-07 Fastrack)
Thank you for your letter. Your request is not recommended, as all other 1500/1600 2V Cross Flow engines share the same 24.5mm SIR.
Request aftermarket ECU allowance
#30593 from Nathan McBride · No action required · Minutes (2021-06 Fastrack)
Thank you for your letter. All GT2 and ST cars with the exception of various GT2 "spec" classifications can already have an ECU of their choice!
Oppose 29754 Grossly Large SIR Increase to GTL Mazda 12A
#30097 from Peter Zekert · No action required · Minutes (2021-03 Fastrack)
Thank you for your letter. The collected data over the last couple of years supports this 2mm increase.
GCR 9.1.2 Engine and Drivetrain/General e. 1. (GCR pg# 314)
#29919 from Scott Twomey · Taken care of · Minutes (2021-02 Fastrack)
Thank you for your letter. Please see letter #29818, please see change in January 2021 Fastrack.
Miata MX5 SIR Size
#29874 from Taz Harvey · Not recommended · Minutes (2021-02 Fastrack)
Thank you for your letter. Weight breaks or HP compensations are not given for any differences there may be between tub construction vs. tube frame cars.
Request to Require OEM Sized Side Mirrors
#29840 from Andrew Aquilante · Not recommended · Minutes (2021-01 Fastrack)
Thank you for your letter. The rule is adequate as written "Mirrors shall provide driver visibility to the rear of both sides of the car."
Exhaust Rules Contradiction
#29818 from Chris Doodson · Recommended to the Board · Minutes (2021-01 Fastrack)
In GCR, Section 9.1.2F.7.e.1., change the following: "Note that the exhaust outlet shall still be mounted as low as possible; this does not authorize exhaust outlets through the door."
Nissan MRA8DE Engine Inclusion to GTL list of Engines 1.8 liter
#29809 from Erik Madsen · No action required · Minutes (2021-01 Fastrack)
Thank you for your letter. Please see letter #29805 in current Fastrack.
Request for Mazda 12a Rotary SIR Increase to 29mm
#29765 from James Gregorius · No action required · Minutes (2021-01 Fastrack)
Thank you for your letter. Please see letter #29754 in current Fastrack.
Request for Clarification on Bridge Porting for Rotary
#26004 from Luis Rivera · Taken care of · Minutes (2021-01 Fastrack)
Thank you for your letter. Please refer to Technical Forms and Downloads on the SCCA website.
Request to Remove 27641 Until Better Language Can be Provided
#28027 from Kenneth Gassin · Taken care of · Minutes (2020-04 Fastrack)
Thank you for your letter. The 64 sq. inches was an error and has been "officially" corrected to read 84 sq. inches.
Resume for GT
#28181 from Samuel Fouse · Member feedback requested · Minutes (2020-03 Fastrack)
Thank you for your resume. We will keep your resume on file for future needs on the GTAC AdCom. DATE: February 20, 2020
Request for Help for Older Sedans
#27716 from Troy Ermish · No action required · Minutes (2020-01 Fastrack)
Thank you for your letter. Age and aero is not allowed for in the classification process.
Request 12a Rotary SIR Increase
#27406 from James Gregorius · Not recommended · Minutes (2020-01 Fastrack)
Thank you for your letter, The SIR is felt to be proper for current class balance, the Club Racing Board will continue to monitor the class.
Windshield Clips
#27323 from Todd Oppermann · Recommended to the Board · Minutes (2020-01 Fastrack)
In GCR section 9.1.2.F.6.c.1, add as follows: Alternatively, the bottom may be captured in a channel. "No clips or straps are required if bonded-glass factory windshields and/or rear windows are attached to chassis per original specifications (i.e., glass-bonding adhesive).”
Request SR18DE Head for SR16VE
#27203 from Dan Wold · Not recommended · Minutes (2019-09 Fastrack)
Thank you for your letter, Cylinder head was never produced for this block and is not recommended.
Request to Allow E85 Race Fuel
#27058 from Joe Harlan · Not recommended · Minutes (2019-08 Fastrack)
Thank you for your letter. Allowing alternate fuel sources is beyond the GTAC's ability.
Request to remove weight penalty 88-91 CRX IRS
#27034 from Jonathan Spiegel · Not recommended · Minutes (2019-08 Fastrack)
Thank you for your letter. The weight penalty is appropriate for Solid Axle to IRS suspension conversion.
Opposes VW Fun Cup VW Bug
#26868 from Tim Linerud · Taken care of · Minutes (2019-08 Fastrack)
Thank you for your letter. Please see letter #26960.
GTL Competitive Adjustment
#28700 from Troy Ermish · Not recommended · Minutes (2019-05 Fastrack)
Thank you for your letter. The CRB does not recommend making changes to classifications based on the Runoffs track only - it does not represent the yearlong performance potential of a chosen car.
Request a weight penalty change for 15 inch wheels.
#28519 from Joe Harlan · Not recommended · Minutes (2019-05 Fastrack)
Thank you for your letter. The GTAC has reviewed these different tires with Goodyear, measured contact patch and the conclusion is the same; the 4% weight penalty is adequate as described
15
#28510 from Joe Harlan · Not recommended · Minutes (2019-05 Fastrack)
Thank you for your letter. The GTAC has reviewed these different tires with Goodyear, measured contact patch and the conclusion is the same; the 4% weight penalty is adequate as described.
Response to CRB Request #25986
#26100 from Jameson Savage · Taken care of · Minutes (2019-05 Fastrack)
Thank you for your letter. Your response has been logged.
Request to look at #25986
#26095 from William Ball · Taken care of · Minutes (2019-05 Fastrack)
Thank you for your letter. Your response has been logged.
RE: 25986 VW Funcup
#26091 from Kenneth Gassin · Taken care of · Minutes (2019-05 Fastrack)
Thank you for your letter. Your response has been logged.
Opposes VW FUN CUP in GTL
#26087 from Roy Lopshire · Taken care of · Minutes (2019-05 Fastrack)
Thank you for your letter. Your response has been logged.
Response to 25986 VW Fun Cup
#26084 from Joe Harlan · Taken care of · Minutes (2019-05 Fastrack)
Thank you for your letter. Your response has been logged.
Fun Beetle
#26083 from Tim Linerud · Taken care of · Minutes (2019-05 Fastrack)
Thank you for your letter. Your response has been logged.
Opposes Change to SIR on 12A Rotary Engine
#26512 from Alec Maisel · Taken care of · Minutes (2019-04 Fastrack)
Thank you for your letter. The Club Racing Board appreciates your comments. Please see the response to letter #26081 and 26202.
Opposed to Mazda 12a Rotary SIR Increase In GTL
#26508 from Bill Keeney · Taken care of · Minutes (2019-04 Fastrack)
Thank you for your letter. The Club Racing Board appreciates your comments. Please see the response to letter #26081 and 26202.
Opposed to Increase in SIR for 12A Motor
#26505 from Chris Kopley · Taken care of · Minutes (2019-04 Fastrack)
Thank you for your letter. The Club Racing Board appreciates your comments. Please see the response to letter #26081 and 26202.
Opposes Letter #26081
#26503 from Bill Ball · Taken care of · Minutes (2019-04 Fastrack)
Thank you for your letter. The Club Racing Board appreciates your comments. Please see the response to letter #26081 and 26202.
Opposes Letter #26081
#26502 from Graham Fuller · Taken care of · Minutes (2019-04 Fastrack)
Thank you for your letter. The Club Racing Board appreciates your comments. Please see the response to letter #26081 and 26202.
Opposes Response to #26081
#26501 from Kenneth Gassin · Taken care of · Minutes (2019-04 Fastrack)
Thank you for your letter. The Club Racing Board appreciates your comments. Please see the response to letter #26081 and 26202.
Opposed to Mazda 12A SIR Increase
#26499 from Richard Barlow · Taken care of · Minutes (2019-04 Fastrack)
Thank you for your letter. The Club Racing Board appreciates your comments. Please see the response to letter #26081 and 26202.
Opposed to 1mm increase in SIR for Mazda 12A motors
#26498 from Paul Bunbury · Taken care of · Minutes (2019-04 Fastrack)
Thank you for your letter. The Club Racing Board appreciates your comments. Please see the response to letter #26081 and 26202.
Opposed to Request in Letter #26081
#26497 from Edward Nicholson · Taken care of · Minutes (2019-04 Fastrack)
Thank you for your letter. The Club Racing Board appreciates your comments. Please see the response to letter #26081 and 26202.
Opposes +1mm for Rotary 12a
#26496 from Chris Doodson DOODSON · Taken care of · Minutes (2019-04 Fastrack)
Thank you for your letter. The Club Racing Board appreciates your comments. Please see the response to letter #26081 and 26202.
Opposes adjustments for the 12A rotary engine
#26495 from Rusty Bell · Taken care of · Minutes (2019-04 Fastrack)
Thank you for your letter. The Club Racing Board appreciates your comments. Please see the response to letter #26081 and 26202.
Opposes Request to Increase 12a Rotary +1mm by Gregarious
#26494 from Scott Twomey · Taken care of · Minutes (2019-04 Fastrack)
Thank you for your letter. The Club Racing Board appreciates your comments. Please see the response to letter #26081 and 26202.
Opposes more 12A Sir increase
#26487 from Roy Lopshire · Taken care of · Minutes (2019-04 Fastrack)
Thank you for your letter. The Club Racing Board appreciates your comments. Please see the response to letter #26081 and 26202.
Opposes the 12A Sir increase
#26485 from Roy Lopshire · Taken care of · Minutes (2019-04 Fastrack)
Thank you for your letter. The Club Racing Board appreciates your comments. Please see the response to letter #26081 and 26202.
Opposes 12A Sir increase
#26484 from Roy Lopshire · Taken care of · Minutes (2019-04 Fastrack)
Thank you for your letter. The Club Racing Board appreciates your comments. Please see the response to letter #26081 and 26202.
Opposes SIR Increase for 12a Mazda.
#26482 from Joe Harlan · Taken care of · Minutes (2019-04 Fastrack)
Thank you for your letter. The Club Racing Board appreciates your comments. Please see the response to letter #26081 and 26202.
Request to increase in SIR size for GTL Streetport 12A
#26202 from Jonathan Goodale · Taken care of · Minutes (2019-03 Fastrack)
Thank you for your letter. The Club Racing Board will continue to monitor performance. Please reference letter #26081.
Not Recommended Portion of Letter #25754
#26020 from Club Racing Board · Not recommended · Minutes (2019-01 Fastrack)
The below items are not recommended. Request: FWD can use any type of rear suspension. The CRB does not recommend this change. Request: Allow for the reduction of the height of the upper leading edge of the roof to bring the body more into line with current GT vehicle body work and help increase straight line speed. The CRB does not recommend, since ALL cars must meet the factory silhouette as described in the GT rule set (GTCS). Request: Allow for engine updates that include a modern twin cam head such as KAD,
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Specialty Components or BMW. The CRB does not recommend this change. These cylinder heads have no corporate association to the BMC “A” series engine. It is known that BMW purchased ROVER and produces the BMW MINI but this corporate tie for using a BMW Motorcycle cylinder head is torturous.
Request to Classify VW Fun Cup Beetle
#25986 from Bryan Scheible · Member feedback requested · Minutes (2019-01 Fastrack)
Thank you for your request. The CRB seeks your feedback on classifying this car in GTL. Please provide your feedback through crbscca.com.
Request to Classify Mercedes Benz AMG in GT3
#25958 from Matt Jensen · Not recommended · Minutes (2019-01 Fastrack)
Thank you for your letter. The CRB does not plan to classify this car in GT3. It is currently classified in GTX.
Request to Classify Ferrari 488 Challenge Car
#25957 from Matt Jensen · Taken care of · Minutes (2019-01 Fastrack)
Thank you for your request. This car is being classified in GTX in letter #26034, Technical Bulletin.
Request for Classification of Mazda MZR 2.0L in GTL
#25582 from Scott Schick · Not recommended · Minutes (2019-01 Fastrack)
Thank you for your request. Engine displacement is too large for GTL.
Qualifying Tires At Runoffs
#25550 from Joe Harlan · Not recommended · Minutes (2019-01 Fastrack)
Thank you for your letter. There is too much a variance in track temperatures and track conditions to add this type of restraint on tire choice.
Request to Classify 2016+ Shelby 5.2 350GTR
#23944 from Scotty B White · Taken care of · Minutes (2019-01 Fastrack)
Thank you for your request. Please see the response to letter #21466, Technical Bulletin.