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BoP Lab / Michelin Raceway Road Atlanta

FF vs SMX vs SM vs FX pace at Michelin Raceway Road Atlanta

Class · click a class to switch, + to compare alongside (up to 4: remove one to add another)
Reference class · the others' laps as a share of this one's at the same event, so years compare despite weather; + a class above to measure against it

Quickest here: FF 1:30.677 Nicholas d'Orlando, Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta race · SMX 1:24.667 Tyler Gonzales, Atlanta Region SCCA Hoosier Super Tour @ Michelin Raceway Road Atlanta race · SM 1:41.798 Danny Steyn, Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta qualifying · FX 1:25.399 Trent Walko, Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta race

1:251:301:351:401:459 rule changes between Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta and Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta9 ▾10 rule changes between Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta and Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta10 ▾4 rule changes between Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta and Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta4 ▾17 rule changes between Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta and Atlanta Region SCCA Hoosier Super Tour @ Michelin Raceway Road Atlanta17 ▾9 rule changes between Atlanta Region SCCA Hoosier Super Tour @ Michelin Raceway Road Atlanta and Atlanta Region SCCA Hoosier Super Tour @ Michelin Raceway Road Atlanta9 ▾FF race best at Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta: 1:30.677 (Nicholas d'Orlando)FF race best at Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta: 1:31.224 (Robert Perona)FF race best at Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta: 1:31.059 (Robert Albani)FF race best at Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta: 1:32.061 (Sebastian Mateo Naranjo)FF race best at Atlanta Region SCCA Hoosier Super Tour @ Michelin Raceway Road Atlanta: 1:31.691 (David Ybarra)FF qualifying best at Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta: 1:31.319 (Nicholas d'Orlando)FF qualifying best at Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta: 1:31.840 (Joe Colasacco)FF qualifying best at Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta: 1:31.000 (Porter Aiken)FF qualifying best at Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta: 1:32.019 (Sebastian Mateo Naranjo)FF qualifying best at Atlanta Region SCCA Hoosier Super Tour @ Michelin Raceway Road Atlanta: 1:32.437 (David Ybarra)SMX race best at Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta: 1:39.924 (Will Robusto)SMX race best at Atlanta Region SCCA Hoosier Super Tour @ Michelin Raceway Road Atlanta: 1:38.765 (Skyler Cottrell)SMX race best at Atlanta Region SCCA Hoosier Super Tour @ Michelin Raceway Road Atlanta: 1:24.667 (Tyler Gonzales)SMX qualifying best at Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta: 1:38.964 (Michael Tinis)SMX qualifying best at Atlanta Region SCCA Hoosier Super Tour @ Michelin Raceway Road Atlanta: 1:38.662 (Camden Gruber)SMX qualifying best at Atlanta Region SCCA Hoosier Super Tour @ Michelin Raceway Road Atlanta: 1:38.517 (Jarrett Jones)SM race best at Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta: 1:42.564 (Preston Pardus)SM race best at Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta: 1:41.864 (Travis Wiley)SM race best at Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta: 1:42.553 (Charles Mactutus)SM race best at Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta: 1:42.995 (Charles Mactutus)SM race best at Atlanta Region SCCA Hoosier Super Tour @ Michelin Raceway Road Atlanta: 1:42.625 (Sean Noonan)SM race best at Atlanta Region SCCA Hoosier Super Tour @ Michelin Raceway Road Atlanta: 1:42.611 (Charles Mactutus)SM qualifying best at Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta: 1:41.798 (Danny Steyn)SM qualifying best at Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta: 1:42.814 (Connor Zilisch)SM qualifying best at Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta: 1:42.619 (Charles Mactutus)SM qualifying best at Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta: 1:42.620 (Danny Steyn)SM qualifying best at Atlanta Region SCCA Hoosier Super Tour @ Michelin Raceway Road Atlanta: 1:42.848 (Sean Noonan)SM qualifying best at Atlanta Region SCCA Hoosier Super Tour @ Michelin Raceway Road Atlanta: 1:42.324 (Skyler Cottrell)FX race best at Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta: 1:27.790 (Austin Hill)FX race best at Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta: 1:25.399 (Trent Walko)FX race best at Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta: 1:36.351 (Brad Yake)FX qualifying best at Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta: 1:28.131 (Austin Hill)FX qualifying best at Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta: 1:28.346 (Trent Walko)FX qualifying best at Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta: 1:34.337 (Brad Yake)Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta2021Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta2022Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta2023Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta2024Atlanta Region SCCA Hoosier Super Tour @ Michelin Raceway Road Atlanta2025Atlanta Region SCCA Hoosier Super Tour @ Michelin Raceway Road Atlanta2026
FFSMXSMFXsolid race · dashed qualifying · slower is lower
90%92%94%96%98%100%102%104%106%108%110%112%114%9 rule changes between Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta and Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta9 ▾10 rule changes between Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta and Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta10 ▾4 rule changes between Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta and Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta4 ▾17 rule changes between Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta and Atlanta Region SCCA Hoosier Super Tour @ Michelin Raceway Road Atlanta17 ▾9 rule changes between Atlanta Region SCCA Hoosier Super Tour @ Michelin Raceway Road Atlanta and Atlanta Region SCCA Hoosier Super Tour @ Michelin Raceway Road Atlanta9 ▾FF race best at Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta: 100.0% of FF's (Nicholas d'Orlando)FF race best at Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta: 100.0% of FF's (Robert Perona)FF race best at Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta: 100.0% of FF's (Robert Albani)FF race best at Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta: 100.0% of FF's (Sebastian Mateo Naranjo)FF race best at Atlanta Region SCCA Hoosier Super Tour @ Michelin Raceway Road Atlanta: 100.0% of FF's (David Ybarra)FF qualifying best at Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta: 100.0% of FF's (Nicholas d'Orlando)FF qualifying best at Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta: 100.0% of FF's (Joe Colasacco)FF qualifying best at Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta: 100.0% of FF's (Porter Aiken)FF qualifying best at Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta: 100.0% of FF's (Sebastian Mateo Naranjo)FF qualifying best at Atlanta Region SCCA Hoosier Super Tour @ Michelin Raceway Road Atlanta: 100.0% of FF's (David Ybarra)SMX race best at Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta: 108.5% of FF's (Will Robusto)SMX race best at Atlanta Region SCCA Hoosier Super Tour @ Michelin Raceway Road Atlanta: 92.3% of FF's (Tyler Gonzales)SMX qualifying best at Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta: 107.5% of FF's (Michael Tinis)SMX qualifying best at Atlanta Region SCCA Hoosier Super Tour @ Michelin Raceway Road Atlanta: 106.6% of FF's (Jarrett Jones)SM race best at Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta: 113.1% of FF's (Preston Pardus)SM race best at Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta: 111.7% of FF's (Travis Wiley)SM race best at Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta: 112.6% of FF's (Charles Mactutus)SM race best at Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta: 111.9% of FF's (Charles Mactutus)SM race best at Atlanta Region SCCA Hoosier Super Tour @ Michelin Raceway Road Atlanta: 111.9% of FF's (Charles Mactutus)SM qualifying best at Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta: 111.5% of FF's (Danny Steyn)SM qualifying best at Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta: 111.9% of FF's (Connor Zilisch)SM qualifying best at Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta: 112.8% of FF's (Charles Mactutus)SM qualifying best at Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta: 111.5% of FF's (Danny Steyn)SM qualifying best at Atlanta Region SCCA Hoosier Super Tour @ Michelin Raceway Road Atlanta: 110.7% of FF's (Skyler Cottrell)FX race best at Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta: 96.8% of FF's (Austin Hill)FX race best at Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta: 93.6% of FF's (Trent Walko)FX race best at Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta: 104.7% of FF's (Brad Yake)FX qualifying best at Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta: 96.5% of FF's (Austin Hill)FX qualifying best at Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta: 96.2% of FF's (Trent Walko)FX qualifying best at Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta: 102.5% of FF's (Brad Yake)Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta2021Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta2022Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta2023Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta2024Atlanta Region SCCA Hoosier Super Tour @ Michelin Raceway Road Atlanta2025Atlanta Region SCCA Hoosier Super Tour @ Michelin Raceway Road Atlanta2026
FFSMXSMFXsolid race · dashed qualifying · each class's best lap as a share of FF's at the same event (the reference class, changeable above); 100% is level, higher is quicker
EventFFSMXSMFX
Qual bestRace bestTrapQual bestRace bestTrapvs FF% of FFQual bestRace bestTrapvs FF% of FFQual bestRace bestTrapvs FF% of FF
Atlanta Region SCCA Hoosier Super Tour @ Michelin Raceway Road Atlanta ST26MAR062026-03-061:32.437David Ybarra · fastest of 6 · top 5 within 2.6s+0.418s (+0.45%)1:31.691David Ybarra · fastest of 6 · top 5 within 3.7s-0.370s (-0.40%)127.3Axel Leroy+5.2 mph (+4.3%)1:38.517Jarrett Jones · fastest of 20 · top 5 within 0.7s-0.145s (-0.15%)1:24.667Tyler Gonzales · fastest of 21 · top 5 within 15.4s-14.098s (-14.27%)120.7Elivan Goulart+3.7 mph (+3.2%)-7.024squal +6.080s92.3%qual 106.6%1:42.324Skyler Cottrell · fastest of 52 · top 5 within 0.4s-0.524s (-0.51%)1:42.611Charles Mactutus · fastest of 51 · top 5 within 0.2s-0.014s (-0.01%)112.2James Newell+5.2 mph (+4.9%)+10.920squal +9.887s111.9%qual 110.7%
9 rule changes (FF: 2, SMX: 4, SM: 3)1 tyres & wheels · 8 wording · FF clarifies alternative tire eligibility for cars homologated 1989 or earlier with rocker arm or outboard suspension on all four corners. · SMX drivers must submit data acquisition files on time or face suspension and $250 fine. · SMX penalty language clarified: level 1 and 3 infractions may carry $1,000 fine; level 2 and 4 may carry $500 fine. · SMX drivers must submit data acquisition files on time or face suspension and $250 fine. · SMX penalty language clarified: level 1 and 3 infractions may carry $1,000 fine; level 2 and 4 may carry $500 fine. · FF adds rocker arm and outboard suspension cars optional bias ply and VFF tires; removes front-as-rear rule, adds mixing restrictions. · SM cars limited to one set of Hoosier SM 7.5 P205/50/ZR17 per Super Tour event weekend for dry sessions. · SMX Toyo RR P235/40/ZR17 tire rules clarified: one set per weekend, marking after first session, damage replacement procedures revised. · SMX data submission deadline extended from 30 to 60 minutes after each timed session.showhide
  • FF Formula F Alternative Tire Rule Proposed Clarifications #39281wordingwordingFF clarifies alternative tire eligibility for cars homologated 1989 or earlier with rocker arm or outboard suspension on all four corners.
  • SM SMX Data Submission - Penalties #38248wordingwordingSMX drivers must submit data acquisition files on time or face suspension and $250 fine.
  • SM Committee) SMX Penaly Clarification updated language #38337wordingwordingSMX penalty language clarified: level 1 and 3 infractions may carry $1,000 fine; level 2 and 4 may carry $500 fine.
  • SMX SMX Data Submission - Penalties #38248wordingwordingSMX drivers must submit data acquisition files on time or face suspension and $250 fine.
  • SMX Committee) SMX Penaly Clarification updated language #38337wordingwordingSMX penalty language clarified: level 1 and 3 infractions may carry $1,000 fine; level 2 and 4 may carry $500 fine.
  • FF Page 228, FF tire rule 9.1.1.10.e #38251tyres & wheelstyres & wheelsFF adds rocker arm and outboard suspension cars optional bias ply and VFF tires; removes front-as-rear rule, adds mixing restrictions.
  • SM Clarify Tire Marking Regs #38005wordingwordingSM cars limited to one set of Hoosier SM 7.5 P205/50/ZR17 per Super Tour event weekend for dry sessions.
  • SMX Clarify Tire Marking Regs #38004wordingwordingSMX Toyo RR P235/40/ZR17 tire rules clarified: one set per weekend, marking after first session, damage replacement procedures revised.
  • SMX SMX Data Submission Timeframe #38039wordingwordingSMX data submission deadline extended from 30 to 60 minutes after each timed session.
Atlanta Region SCCA Hoosier Super Tour @ Michelin Raceway Road Atlanta ST25MAR072025-03-071:38.662Camden Gruber · fastest of 30 · top 5 within 0.2s-0.302s (-0.31%)1:38.765Skyler Cottrell · fastest of 30 · top 5 within 0.5s-1.159s (-1.16%)117.0Cam Ebben+1.0 mph (+0.9%)1:42.848Sean Noonan · fastest of 35 · top 5 within 0.2s+0.228s (+0.22%)1:42.625Sean Noonan · fastest of 33 · top 5 within 0.6s-0.370s (-0.36%)107.0Sean Noonan+1.8 mph (+1.7%)
17 rule changes (FF: 4, SMX: 5, SM: 5, FX: 3)3 weight · 1 cars added · 1 tyres & wheels · 12 wording · FF allows older cars with rocker arm or outboard suspension to use bias ply slicks or VFF tires instead of radials. · FX Ligier JS F422 loses 15 lbs, to 1360 minimum weight. · SMX allows OE instrument cluster relocation for aftermarket dash mounting, with wiring re-routed only; alternate gauges now permitted. · SMX allows OE instrument cluster relocation for aftermarket dash mounting, with wiring re-routed only; alternate gauges now permitted. · FF and FC cars with sequential gearbox must add 10 lbs. to minimum weight, down from 25 lbs. · FF Honda Fit allows Fast Forward 0.25mm oversize pistons PN FF800-110 as alternative; piston diameter spec clarified to 2.8835 inches. · FF VTEC activation valve must function; EGR blanking plate rule clarified with Fast Forward part numbers. · SMX Spec MX-5 camera requirement wording changed; non-functioning recorder now grounds for penalty or disqualification. · SMX Spec MX-5 must run latest AIM Data Logger Spec MX-5 ECU Protocol; wording clarification for technical compliance. · SMX Mazda Miata OE versus OEM definitions clarified in GCR Section 9.1.7.1. · SM and SMX shifter bushing rules clarified: alternate bushing at shift lever bottom now allowed. · SMX Spec MX-5 camera requirement wording changed; non-functioning recorder now grounds for penalty or disqualification. · SMX Spec MX-5 must run latest AIM Data Logger Spec MX-5 ECU Protocol; wording clarification for technical compliance. · SMX Mazda Miata OE versus OEM definitions clarified in GCR Section 9.1.7.1. · SM and SMX shifter bushing rules clarified: alternate bushing at shift lever bottom now allowed. · FX Ligier JS F4 1st Gen minimum weight drops to 1405 lbs; 2nd Gen rises to 1375 lbs. · FX adds 2nd Gen Ligier JS F422 classification effective 2024-04-01.showhide
  • FF Formula F Proposal to Invite Older Cars Via a Tire Rule Change #37802tyres & wheelsfasterFF allows older cars with rocker arm or outboard suspension to use bias ply slicks or VFF tires instead of radials.
  • FX Request to Change to Weight for Ligier JS F422 #37124weight -15 lbsfasterFX Ligier JS F422 loses 15 lbs, to 1360 minimum weight.
  • SM E&O SMX Regs 9.1.7.1.D.5.u-.w #37070wordingwordingSMX allows OE instrument cluster relocation for aftermarket dash mounting, with wiring re-routed only; alternate gauges now permitted.
  • SMX E&O SMX Regs 9.1.7.1.D.5.u-.w #37070wordingwordingSMX allows OE instrument cluster relocation for aftermarket dash mounting, with wiring re-routed only; alternate gauges now permitted.
  • FF Change FF/FC Weight with Sequential Gearbox #36651weightfasterFF and FC cars with sequential gearbox must add 10 lbs. to minimum weight, down from 25 lbs.
  • FF Alternative Oversize Honda Fit Pistons #37064wordingwordingFF Honda Fit allows Fast Forward 0.25mm oversize pistons PN FF800-110 as alternative; piston diameter spec clarified to 2.8835 inches.
  • FF Update to FF EGR Blanking Plate Rule #36633wordingwordingFF VTEC activation valve must function; EGR blanking plate rule clarified with Fast Forward part numbers.
  • SM SMX Camera Rule Correction #36496wordingwordingSMX Spec MX-5 camera requirement wording changed; non-functioning recorder now grounds for penalty or disqualification.
  • SM Committee) AIM ECU Protocol #36556wordingwordingSMX Spec MX-5 must run latest AIM Data Logger Spec MX-5 ECU Protocol; wording clarification for technical compliance.
  • SM Committee) OE versus OEM Definitons #36608wordingwordingSMX Mazda Miata OE versus OEM definitions clarified in GCR Section 9.1.7.1.
  • SM Committee) Shifter Bushing #36611wordingwordingSM and SMX shifter bushing rules clarified: alternate bushing at shift lever bottom now allowed.
  • SMX SMX Camera Rule Correction #36496wordingwordingSMX Spec MX-5 camera requirement wording changed; non-functioning recorder now grounds for penalty or disqualification.
  • SMX Committee) AIM ECU Protocol #36556wordingwordingSMX Spec MX-5 must run latest AIM Data Logger Spec MX-5 ECU Protocol; wording clarification for technical compliance.
  • SMX Committee) OE versus OEM Definitons #36608wordingwordingSMX Mazda Miata OE versus OEM definitions clarified in GCR Section 9.1.7.1.
  • SMX Committee) Shifter Bushing #36611wordingwordingSM and SMX shifter bushing rules clarified: alternate bushing at shift lever bottom now allowed.
  • FX Adjust minimum weights to align with pro F4 rules #36221weight -15 lbsfasterFX Ligier JS F4 1st Gen minimum weight drops to 1405 lbs; 2nd Gen rises to 1375 lbs.
  • FX Add Classification for 2nd Gen Ligier JS F422 #35844cars addedcars addedFX adds 2nd Gen Ligier JS F422 classification effective 2024-04-01.
Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta ST24MAR082024-03-081:32.019Sebastian Mateo Naranjo · fastest of 7 · top 5 within 4.4s+1.019s (+1.12%)1:32.061Sebastian Mateo Naranjo · fastest of 7 · top 5 within 3.1s+1.002s (+1.10%)122.0Calum Dunbar-13.8 mph (-10.1%)1:38.964Michael Tinis · fastest of 33 · top 5 within 0.5s1:39.924Will Robusto · fastest of 33 · top 5 within 1.1s116.0Jack Murchison+7.863squal +6.945s108.5%qual 107.5%1:42.620Danny Steyn · fastest of 47 · top 5 within 0.4s+0.001s (+0.00%)1:42.995Charles Mactutus · fastest of 46 · top 5 within 0.1s+0.442s (+0.43%)105.2Tyler Brown-6.9 mph (-6.2%)+10.934squal +10.601s111.9%qual 111.5%1:34.337Brad Yake · only car+5.991s (+6.78%)1:36.351Brad Yake · only car+10.952s (+12.82%)117.3Brad Yake-19.8 mph (-14.4%)+4.290squal +2.318s104.7%qual 102.5%
4 rule changes (FF: 1, FX: 3)1 cars added · 3 wording · FX Formula 4 now complies with Table 1 notes only; removed reference to FIA 2015 technical regulations and FIA/SCCA safety requirements. · FF Honda Fit gains Fast Forward FF800-100 oversize piston ring pack option. · Unable to summarize: FX Formula Mazda spec changes reference attached document not provided. · USF2000 Van Diemen with Mazda MZR LF-DE 2.0L added as spec line car in FC; removed from FX.showhide
  • FX Clarify Formula 4 Rules in FX #35700wordingunclearFX Formula 4 now complies with Table 1 notes only; removed reference to FIA 2015 technical regulations and FIA/SCCA safety requirements.
  • FF Honda Fit Oversize Piston Rings #35305wordingwordingFF Honda Fit gains Fast Forward FF800-100 oversize piston ring pack option.
  • FX FM Rules Update #34841wordingunclearUnable to summarize: FX Formula Mazda spec changes reference attached document not provided.
  • FX USF2000 Van Diemen with Mazda MZR LF-DE 2.0L in FC #34329cars addedcars addedUSF2000 Van Diemen with Mazda MZR LF-DE 2.0L added as spec line car in FC; removed from FX.
Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta ST23MAR102023-03-101:31.000Porter Aiken · fastest of 17 · top 5 within 1.5s-0.840s (-0.91%)1:31.059Robert Albani · fastest of 17 · top 5 within 0.4s-0.165s (-0.18%)135.8Callum Baxter+3.7 mph (+2.8%)1:42.619Charles Mactutus · fastest of 48 · top 5 within 0.7s-0.195s (-0.19%)1:42.553Charles Mactutus · fastest of 47 · top 5 within 0.4s+0.689s (+0.68%)112.2Jonathan Neudorf-1.3 mph (-1.2%)+11.494squal +11.619s112.6%qual 112.8%
10 rule changes (FF: 1, SM: 2, FX: 7)2 engine · 2 weight · 1 cars added · 1 induction · 4 wording · FF Honda Fit engine adds Fast Forward part number alternatives for intake, exhaust, oil system, and scavenge pump components. · FX: Wording clarified to remove references to FB and FM in GCR section 1.4.2.D. · SM Mazda MX-5 Miata 01-05 weight increases to 2450 lbs, or 2465 with alternate bore. · Formula Renault 2.0 (10-17) reclassified from FX to FA; weight reduced to 1280 lbs, restrictor removed. · Pro Formula F2000 tube frame reduced to 4 forward gears, sequential carries 25 lb. weight penalty. · FX Formula Mazda minimum weight exception set to 1270 lb. · FX Formula Mazda engine spec changed to six-port 13B only; weight now per notes instead of 1350/1400. · Formula Renault 2.0 (10-17) now requires 45mm Flat Plate Intake Restrictor; fairings prohibited before or after. · USF2000 Tube Frame may now use Performance Electronics PE3-8400 ECU as alternative to Pectel T2. · SM Majors must run authorized Penske shock and mount; Regional competitors' requirement eligibility clarified.showhide
  • FF Add Fast Forward Part Numbers for Honda Fit Engine #33752wordingwordingFF Honda Fit engine adds Fast Forward part number alternatives for intake, exhaust, oil system, and scavenge pump components.
  • FX E&O - Remove references to FB and FM in GCR section 1.4.2.D #33725wordingwordingFX: Wording clarified to remove references to FB and FM in GCR section 1.4.2.D.
  • SM BOP for NB1 and NB2 #32309weightslowerSM Mazda MX-5 Miata 01-05 weight increases to 2450 lbs, or 2465 with alternate bore.
  • FX Reclassify 2010-2017 Formula Renault 2.0 as a spec line car in FA #33395cars addedfasterFormula Renault 2.0 (10-17) reclassified from FX to FA; weight reduced to 1280 lbs, restrictor removed.
  • FX Pro Formula F2000/USF2000 Transmission E&O #32823engineslowerPro Formula F2000 tube frame reduced to 4 forward gears, sequential carries 25 lb. weight penalty.
  • FX Formula Mazda Minimum Weight #33010weightslowerFX Formula Mazda minimum weight exception set to 1270 lb.
  • FX Formula Mazda Spec Line E&O Corrections #33011engineunclearFX Formula Mazda engine spec changed to six-port 13B only; weight now per notes instead of 1350/1400.
  • FX Formula Renault 2.0 (10-17) Intake Restrictor #32745inductionslowerFormula Renault 2.0 (10-17) now requires 45mm Flat Plate Intake Restrictor; fairings prohibited before or after.
  • FX Allow Performance Electronics PE3-8400 for USF2000 MZR #32767wordingwordingUSF2000 Tube Frame may now use Performance Electronics PE3-8400 ECU as alternative to Pectel T2.
  • SM Update GCR Section 9.1.7.3.A.1. #32217wordingwordingSM Majors must run authorized Penske shock and mount; Regional competitors' requirement eligibility clarified.
Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta ST22MAR122022-03-121:31.840Joe Colasacco · fastest of 7 · top 5 within 1.8s+0.521s (+0.57%)1:31.224Robert Perona · fastest of 7 · top 5 within 1.6s+0.547s (+0.60%)132.1Joe Colasacco-1.0 mph (-0.8%)1:42.814Connor Zilisch · fastest of 60 · top 5 within 0.3s+1.016s (+1.00%)1:41.864Travis Wiley · fastest of 60 · top 5 within 0.7s-0.700s (-0.68%)113.5Junior Brock-0.1 mph (-0.1%)+10.640squal +10.974s111.7%qual 111.9%1:28.346Trent Walko · fastest of 4 · top 4 within 6.6s+0.215s (+0.24%)1:25.399Trent Walko · fastest of 4 · top 4 within 5.7s-2.391s (-2.72%)137.1Trent Walko+2.7 mph (+2.0%)-5.825squal -3.494s93.6%qual 96.2%
9 rule changes (FF: 1, SM: 1, FX: 7)4 tyres & wheels · 1 cars added · 3 wording · 1 other · Formula Mazda tire marking no longer required; compliance now referenced to updated online specifications document. · FX Formula 4 tire choice becomes unrestricted; must comply with FIA F4 2015 Technical Regulations and subsequent safety requirements. · FX USF2000 Tube Frame front tyre changes from radial to unspecified type, rear tyre options added. · FX Formula Renault 2.0 (00-17) tire choice unrestricted; original components required except repairs. · FX USF2000 Tube Frame allows Hoosier radials 20.5x7.0x13 front and 22.5x8.0x13 rear, FC-compliant shocks, Wilwood brakes, Bosch spark plugs. · FX USF2000 Tube Frame now allows any Hoosier radial tire 20.5x7.0x13 front, 22.5x8.0x13 rear. · FX adds 2000-2009 Formula Renault 2.0 / Fran-Am 2000 classified at 1250 lbs with sealed 2.0L Renault F4R 832 engine. · FF block relief permitted only as needed to fit allowed crankshaft. · SM adds procedures for testing obsolete part replacements and BOP updates in sanctioned events with CRB approval.showhide
  • FX FM Rule Set Clarification #31881wordingwordingFormula Mazda tire marking no longer required; compliance now referenced to updated online specifications document.
  • FX E&O F4 Tires #31940tyres & wheelsfasterFX Formula 4 tire choice becomes unrestricted; must comply with FIA F4 2015 Technical Regulations and subsequent safety requirements.
  • FX E&O USF2000 Tube Frame #31951tyres & wheelsunclearFX USF2000 Tube Frame front tyre changes from radial to unspecified type, rear tyre options added.
  • FX URGENT - FX- Formula Renault Tire #32058tyres & wheelsfasterFX Formula Renault 2.0 (00-17) tire choice unrestricted; original components required except repairs.
  • FX Rules Adjustment #30950otherotherFX USF2000 Tube Frame allows Hoosier radials 20.5x7.0x13 front and 22.5x8.0x13 rear, FC-compliant shocks, Wilwood brakes, Bosch spark plugs.
  • FX FX/FRP Tire Rule #30723tyres & wheelstyres & wheelsFX USF2000 Tube Frame now allows any Hoosier radial tire 20.5x7.0x13 front, 22.5x8.0x13 rear.
  • FX Classify the 2000-2009 Formula Renault 2.0 / Fran-Am 2000 #30460cars addedcars addedFX adds 2000-2009 Formula Renault 2.0 / Fran-Am 2000 classified at 1250 lbs with sealed 2.0L Renault F4R 832 engine.
  • FF Kent crankshaft clarification #30426wordingwordingFF block relief permitted only as needed to fit allowed crankshaft.
  • SM Updates - Obsolete Parts & BOP Parts #30438wordingwordingSM adds procedures for testing obsolete part replacements and BOP updates in sanctioned events with CRB approval.
Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta ST21MAR192021-03-191:31.319Nicholas d'Orlando · fastest of 11 · top 5 within 1.6s1:30.677Nicholas d'Orlando · fastest of 11 · top 5 within 0.9s133.1Cliff Johnson1:41.798Danny Steyn · fastest of 68 · top 5 within 0.7s1:42.564Preston Pardus · fastest of 67 · top 5 within 0.2s113.6Marc Cefalo+11.887squal +10.479s113.1%qual 111.5%1:28.131Austin Hill · fastest of 6 · top 5 within 3.8s1:27.790Austin Hill · fastest of 6 · top 5 within 4.1s134.4Austin Hill-2.887squal -3.188s96.8%qual 96.5%
23 earlier rule changes on record, in force before Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta (from 2019)5 cars added · 3 engine · 1 suspension & brakes · 1 tyres & wheels · 13 wording · Formula Renault 2.0 (2010–2017) newly classified in FX, must comply with Table 1 notes. · FF class cylinder head may now have optional coolant bleed line fitting to top of head for air release. · FF Honda LC1 ECU by HPD permitted effective 12/1/2020, must use HPD lambda sensor. · FX FormulaSPEED FS2.0 specification requirements updated; World Speed Inc. deadline removed, compliance now per SCCA website. · SM aftermarket radiators must mount in original location, maintain core plane, require no body modifications, block openings, keep one OEM fan in stock location; 1990-1997 cars may install upper radiator seal NA75-50-OK7A. · Formula Ireland / Formula FX added to FX classification under Table 1 with compliance notes. · FF Honda LC1 ECU implementation date changed from 3/1/2020 to pending availability of support materials. · SM rear brake calipers may use single bracket under upper retaining bolt to prevent pin failure. · Formula Ireland/Formula FX car addition to FX Table 1 pending specification submission; not recommended. · FF alternator changes from not required to optional. · Ex-Pro Formula Super Vee classified in FX with 1190 lbs minimum weight, 1600cc or 1835cc VW engine, 6in front and 8in rear wheels. · FormulaSPEED reclassified from FA to FX with 2.0L Mazda MZR engine, 1350 lbs minimum weight, sealed ECU and dampers. · FF allows Honda HPD LC1 low-cost ECU with lambda sensor; E1 ECU no longer supported but existing units permitted if sealed. · FF rain tyres now allow Hoosier W3 Radial in addition to existing Hoosier Wet option. · FX Formula Mazda no longer requires tire marking; must comply with December 2019 GCR rules. · Pro Formula F 2000 Tube Frame engine now must follow current FC rules with restricted ECU map, cams, and air restrictor required. · SM fuel pump and filter must be Mazda or OEM Equivalent part. · FF Honda Fit permitted to use 0.25mm oversize pistons, cylinder honing increased to 73.315mm maximum. · FF heat shield rule clarified: thermal wrap allowed on manifold exterior if easily removable for inspection. · FF catch tank minimum capacity rules clarified: coolant catch tank now one U.S. pint minimum, oil catch tank one U.S. quart minimum. · SM 1999-2000 model year cars may use replacement Mazda ECU and injector harnesses, unmodified. · SM electrical rules reorganized and clarified; alternator external regulation now prohibited except via OEM ECU/kill switch. · SM removes tire tread protrusion beyond fender opening requirement from GCR 9.1.7.C.5.showhide
  • FX Request for Car Classification to Compete in Formula X #29933cars addedcars addedFormula Renault 2.0 (2010–2017) newly classified in FX, must comply with Table 1 notes.
  • FF Allow Optional Coolant Bleed Line to Correct a Known Problem #29673wordingwordingFF class cylinder head may now have optional coolant bleed line fitting to top of head for air release.
  • FF Clarification regarding Honda LC1 ECU implementation date #29684wordingwordingFF Honda LC1 ECU by HPD permitted effective 12/1/2020, must use HPD lambda sensor.
  • FX Update specifications for FormulaSPEED cars #29674wordingwordingFX FormulaSPEED FS2.0 specification requirements updated; World Speed Inc. deadline removed, compliance now per SCCA website.
  • SM Radiator E&O Clarifications #29294wordingwordingSM aftermarket radiators must mount in original location, maintain core plane, require no body modifications, block openings, keep one OEM fan in stock location; 1990-1997 cars may install upper radiator seal NA75-50-OK7A.
  • FX Follow up to to Letter#28991 Request for FX classification #29281cars addedcars addedFormula Ireland / Formula FX added to FX classification under Table 1 with compliance notes.
  • FF Clarification regarding Honda LC1 ECU implementation #29135wordingwordingFF Honda LC1 ECU implementation date changed from 3/1/2020 to pending availability of support materials.
  • SM Modifications to prevent failures of Rear Brake Caliper Pin #28953suspension & brakessuspension & brakesSM rear brake calipers may use single bracket under upper retaining bolt to prevent pin failure.
  • FX Request to be added to FX group #28991cars addedcars addedFormula Ireland/Formula FX car addition to FX Table 1 pending specification submission; not recommended.
  • FF E&O FF Kent Engine alternator language #28204wordingwordingFF alternator changes from not required to optional.
  • FX Request to classify FSV in FX #28057cars addedcars addedEx-Pro Formula Super Vee classified in FX with 1190 lbs minimum weight, 1600cc or 1835cc VW engine, 6in front and 8in rear wheels.
  • FX Classify FormulaSPEED in FX #28715cars addedcars addedFormulaSPEED reclassified from FA to FX with 2.0L Mazda MZR engine, 1350 lbs minimum weight, sealed ECU and dampers.
  • FF Honda Racing HPD low cost ECU proposal #27563engineengineFF allows Honda HPD LC1 low-cost ECU with lambda sensor; E1 ECU no longer supported but existing units permitted if sealed.
  • FF Update rain tire designation #28443tyres & wheelstyres & wheelsFF rain tyres now allow Hoosier W3 Radial in addition to existing Hoosier Wet option.
  • FX Request to remove tire marking language from FM #28415wordingwordingFX Formula Mazda no longer requires tire marking; must comply with December 2019 GCR rules.
  • FX Change to FX Table 1 #28322engineslowerPro Formula F 2000 Tube Frame engine now must follow current FC rules with restricted ECU map, cams, and air restrictor required.
  • SM Request to allow aftermarket fuel filters. #26370wordingwordingSM fuel pump and filter must be Mazda or OEM Equivalent part.
  • FF Request for Oversize Honda Fit Pistons #25810enginefasterFF Honda Fit permitted to use 0.25mm oversize pistons, cylinder honing increased to 73.315mm maximum.
  • FF Heat Shield - Fit Intake #26102wordingwordingFF heat shield rule clarified: thermal wrap allowed on manifold exterior if easily removable for inspection.
  • FF Request catch cans/tanks clarification #26158wordingwordingFF catch tank minimum capacity rules clarified: coolant catch tank now one U.S. pint minimum, oil catch tank one U.S. quart minimum.
  • SM Request 99-00 replacement Wire harnesses #25602wordingwordingSM 1999-2000 model year cars may use replacement Mazda ECU and injector harnesses, unmodified.
  • SM Organize and Clarify 9.1.7.C.1.o. #25913wordingwordingSM electrical rules reorganized and clarified; alternator external regulation now prohibited except via OEM ECU/kill switch.
  • SM Strike Tire Tread Language #26123wordingwordingSM removes tire tread protrusion beyond fender opening requirement from GCR 9.1.7.C.5.

Best is the class's fastest lap in that event's qualifying or race sessions, with the driver who set it, how many cars set a time that session and how close the top five were; a best from fewer than three cars is greyed. With two or more classes, "vs" is the gap of each class's best to the first class's at the same event. "% of FF" is the class's best as a share of FF's best at the same event (100% is level, less is quicker): weather and track condition move every class together, so this compares across years where the raw times do not. It still breaks when FF's own field changes or one session was wet and another dry. Newest event first. The coloured figure under each value is the change from the previous event that has one (green is quicker, red slower). Whole laps only, so events with different sector layouts still compare. Weather and track condition are not accounted for.