BoP Lab / Michelin Raceway Road Atlanta
STL vs SMX vs F5 vs FE2 pace at Michelin Raceway Road Atlanta
Quickest here: STL 1:35.212 Danny Steyn, 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 · F5 1:30.019 Ryan Mayfield, Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta qualifying · FE2 1:22.855 Paul Schneider, Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta race
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| Qual best | Race best | Trap | Qual best | Race best | Trap | vs STL | % of STL | Qual best | Race best | Trap | vs STL | % of STL | Qual best | Race best | Trap | vs STL | % of STL | |||
| Atlanta Region SCCA Hoosier Super Tour @ Michelin Raceway Road Atlanta ST26MAR062026-03-06 | 1:37.000Danny Steyn · fastest of 15 · top 5 within 1.6s+0.012s (+0.01%) | 1:36.825Danny Steyn · fastest of 14 · top 5 within 3.2s-0.382s (-0.39%) | 126.5Derek Ketchie+6.5 mph (+5.4%) | 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%) | -12.158squal +1.517s | 87.4%qual 101.6% | 1:24.639Paul Schneider · fastest of 7 · top 5 within 2.4s+1.503s (+1.81%) | 1:24.978Paul Schneider · fastest of 7 · top 5 within 2.9s+1.478s (+1.77%) | 138.5Paul Schneider+4.9 mph (+3.6%) | -11.847squal -12.361s | 87.8%qual 87.3% | |||||||
9 rule changes (STL: 3, SMX: 4, FE2: 2)2 weight · 7 wording · STL minimum weights increase across all classes, 1300 cc gains 195 lbs to 1950, up to 1850 cc at 2500. · FE and FE2 Enterprises must use bubble tail P/N WM138014; FE2 allows only this configuration. · STL/STU Lotus weight reduced: Evora GT4 to 2700 lbs, Elise Cup R to 2250 lbs, Elise/Exige SC to 2450-2550 lbs. · 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 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. · STL Mazda MX5 Challenge minimum weight now references GCR 9.1.7.1 instead of 2500 lbs; spec components removed, only alternative tires allowed. · FE2 allows driver safety and comfort modifications for disabled drivers with SCCA approval, not transferable to other drivers.show
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| Atlanta Region SCCA Hoosier Super Tour @ Michelin Raceway Road Atlanta ST25MAR072025-03-07 | 1:36.988Mike Taylor · fastest of 13 · top 5 within 2.0s+0.632s (+0.66%) | 1:37.207Mike Taylor · fastest of 11 · top 5 within 1.3s+0.354s (+0.37%) | 120.1Derek Ketchie+1.7 mph (+1.5%) | 1:38.662Camden 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%) | +1.558squal +1.674s | 101.6%qual 101.7% | 1:23.136Franklin Futrelle · fastest of 8 · top 5 within 2.1s-0.076s (-0.09%) | 1:23.500Franklin Futrelle · fastest of 8 · top 5 within 1.9s-0.914s (-1.08%) | 133.6Eric Wisniewski+1.7 mph (+1.3%) | -13.707squal -13.852s | 85.9%qual 85.7% | |||||||
6 rule changes (STL: 1, SMX: 5)6 wording · SMX allows OE instrument cluster relocation for aftermarket dash mounting, with wiring re-routed only; alternate gauges now permitted. · STL/STU: 90-05 Mazda Miata alternate front wheel hubs moved from General to specific part approval. · 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.show
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| Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta ST24MAR082024-03-08 | 1:36.356Danny Steyn · fastest of 15 · top 5 within 3.3s-0.113s (-0.12%) | 1:36.853Danny Steyn · fastest of 17 · top 5 within 2.8s+1.641s (+1.72%) | 118.3Mike Taylor-8.8 mph (-6.9%) | 1:38.964Michael Tinis · fastest of 33 · top 5 within 0.5s | 1:39.924Will Robusto · fastest of 33 · top 5 within 1.1s | 116.0Jack Murchison | +3.071squal +2.608s | 103.2%qual 102.7% | 1:23.212Franklin Futrelle · fastest of 14 · top 5 within 2.3s+0.084s (+0.10%) | 1:24.414Charles Russell Turner · fastest of 13 · top 5 within 1.5s-0.040s (-0.05%) | 131.9Jason Conzo-9.2 mph (-6.5%) | -12.439squal -13.144s | 87.2%qual 86.4% | |||||||
5 rule changes (STL: 5)2 induction · 1 engine · 2 wording · STL and STU power steering rules clarified to permit electric-assisted and hydraulic-assisted steering systems. · STL Acura/Honda B-series and Mazda MZR restrictors reduced 2mm; minimum weights down 25–75 lbs for 1900–2000cc engines. · STL Mazda 12A must keep 5th and 6th intake port actuators and valves, no longer allowed removal or disabling. · STL Mazda RX-7 12A (79-85) now allows auto-type 2 bbl with 42mm choke(s) on dual-y manifold as alternate to stock Nikki 4 bbl. · STL ITA/ITS RX7 and 1985+ ITA/ITS/ITB/ITC vehicles clarified to conform to section 9.1.4.2 tire specifications.show
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| Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta ST23MAR102023-03-10 | 1:36.469Danny Steyn · fastest of 16 · top 5 within 3.9s+0.493s (+0.51%) | 1:35.212Danny Steyn · fastest of 17 · top 5 within 3.8s-0.267s (-0.28%) | 127.1Mike Taylor+0.7 mph (+0.6%) | 1:23.128Franklin Futrelle · fastest of 15 · top 5 within 2.5s+0.032s (+0.04%) | 1:24.454Charles Russell Turner · fastest of 15 · top 5 within 1.2s+1.599s (+1.93%) | 141.1Eric Cruz-3.0 mph (-2.1%) | -10.758squal -13.341s | 88.7%qual 86.2% | ||||||||||||
5 rule changes (STL: 1, F5: 4)1 induction · 4 wording · STL Spec MX5 clutch, wheels, and tyres specified: ACT 0000-02-5004-G6, 17x8 wheels, Toyo RR and RA1 235-40-17. · F500 Rotax 493 and 593 intake boots: removed Moto Tassinari V3124-873B-2 option for non-HO, corrected BPP part numbers. · F500 Rotax engines now permitted to use Ingi Tech Sparker ignition DCP-CDI-P2 as alternate ECU. · F500 Honda CBR600RR, Suzuki GSXR600, Yamaha R6 stepped diameter exhaust headers prohibited. · F500 adds optional intake resonator removal for 593 engines with mandatory plugging; clarifies approved 38mm intake boots; permits stock oil injection pump removal.show
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| Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta ST22MAR122022-03-12 | 1:35.976Danny Steyn · fastest of 18 · top 5 within 2.9s-0.449s (-0.47%) | 1:35.479Danny Steyn · fastest of 18 · top 5 within 3.2s-1.326s (-1.37%) | 126.3Trever Degioanni+2.5 mph (+2.1%) | 1:30.355Wiley McMahan · fastest of 11 · top 5 within 5.0s+0.336s (+0.37%) | 1:31.333Wiley McMahan · fastest of 11 · top 5 within 5.4s+0.934s (+1.03%) | 138.2Wiley McMahan-3.4 mph (-2.4%) | -4.146squal -5.621s | 95.7%qual 94.1% | 1:23.096Paul Schneider · fastest of 13 · top 5 within 2.8s-1.268s (-1.50%) | 1:22.855Paul Schneider · fastest of 13 · top 5 within 2.5s-1.101s (-1.31%) | 144.1Bailey Monette+5.2 mph (+3.8%) | -12.624squal -12.880s | 86.8%qual 86.6% | |||||||
16 rule changes (STL: 11, F5: 5)2 cars added · 2 induction · 1 engine · 1 tyres & wheels · 1 weight · 8 wording · 1 other · F500 must install AIM part #X47KPFSOLO2R0 data box mount for Majors Races and Runoffs. · STU normally aspirated engines: minimum weights reduced up to 310 lbs; single throttle body weight reduction removed. · STL and STU Improved Touring vehicles must conform to 9.1.4 Tires & Wheels requirements. · F5 cars must install AIM part #X47KPFSOLO2R0 data box mount for Majors Races and Runoffs. · STL and STU piston engines clarified: intake manifold and cylinder head porting remains free. · STL Mazda Renesis flat plate restrictor increases from 55mm to 60mm. · STL Mazda RX-7 12A 79-85 clarifies carburetor, emissions, and water jacket modification rules. · STL Spec MX-5 removes redundant specification line; no performance change. · F5 clarifies assisted shifting: mechanical only, no solenoids or air-shifters; throttle/ignition devices allowed if driver controls initiation. · F5 single-seat open-wheel cars: rigid suspension terminology changed to limited suspension. · F500 Rotax 593 HO engine added at 875 lbs with MA0242SP1020A or MA0242SP1063A restrictor. · STL Volkswagen 2.0L TFSI 1984cc classified with turbocharger removal required, meeting all other STL specs. · STL Pontiac Solstice/Saturn Sky allowed 4" ride height. · STL Mazda B5 DOHC added to classification with standard STL regulations. · STL Honda B16A JDM restrictor reduced from 54mm to 53mm. · ST oil coolers and filters now explicitly allowed to be added or substituted; wording clarifies existing permissions.show
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| Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta ST21MAR192021-03-19 | 1:36.425Danny Steyn · fastest of 24 · top 5 within 3.0s | 1:36.805Danny Steyn · fastest of 22 · top 5 within 3.1s | 123.8Eric Diaz | 1:30.019Ryan Mayfield · fastest of 11 · top 5 within 7.0s | 1:30.399Calvin Stewart · fastest of 11 · top 5 within 5.2s | 141.6Ryan Mayfield | -6.406squal -6.406s | 93.4%qual 93.4% | 1:24.364Bailey Monette · fastest of 18 · top 5 within 1.3s | 1:23.956Bailey Monette · fastest of 18 · top 5 within 0.8s | 138.9T Vanacore | -12.849squal -12.061s | 86.7%qual 87.5% | |||||||
40 earlier rule changes on record, in force before Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta (from 2019)9 induction · 5 weight · 4 cars added · 2 aero · 2 engine · 17 wording · 1 other · STL GM Ecotec engines now permit any combination within the family, must use 55mm flat plate restrictor. · STL/STU 90-05 Mazda Miata gains approval for Mazda Motorsports Development alternate front wheel hubs. · ST cars may relocate ABS actuation hardware and wiring anywhere in engine compartment. · STL rear wing trailing edge, including end plates and gurney flap, maximum rearward mounting clarified to center of rearmost bodywork. · STL allows OEM gear sets from same manufacturer transmissions with input shaft modifications for fitment. · STL RWD strut suspension weight penalty cut to 0.5%, other RWD cut to 2.5%. · STL Honda F20C loses 2% weight penalty, minimum weight reduced by approximately 35 lbs. · STL Honda B16/B17/B18C1 restrictor tightened to 53mm; B18C variants and Mazda MZR to 52mm. · ST aero devices and reference areas now include end plates but exclude fasteners protruding over 1/2 inch. · F500 Suzuki GSXR600 engine years extended from 2003-2013 to 2003-2019. · FE2 oil cooler wording clarified: optional air-to-oil cooler allowed, Setrab 50-625-7612 or equivalent max 13 inches wide by 6.5 inches high. · STL and STU clarify weight adjustment calculation order: engine adjustments first, then chassis adjustments. · STL and STU rear wing rules clarify that wicker is a Gurney flap; no performance change. · F5 request to adjust external jetting devices cockpit control denied by Club Racing Board. · Unable to summarize: letter references response in separate Fastrack document not provided. · GT3 and STU add Borg-Warner EFR6258 to approved turbocharger list. · STL adds 2016-2019 Mazda MX-5 Global Cup at 2000cc, 2450-2550 lbs minimum weight. · STL Mazda MX-5 Club Model 06-15 allows Mazda header part number 0000-06-5407-NC. · STL Honda/Acura B18 non-C gets 54mm restrictor; B18C variants drop B18C1, get 53mm restrictor. · STL Honda B18 restrictor reduced from 54mm to 53mm flat plate; B18C1 added with 54mm restrictor. · STU GM Ecotech LNF now allowed with turbo removed or with LE5 head and intake manifold, meeting STL specs. · STL Mazda MZR restrictor reduced from 54 mm to 53 mm. · STL Mazda MZR restrictor reduced from 55 mm to 53 mm. · STL Mazda Spec MX5 Challenge adds approved wheel part numbers 0000-04-5706-GM, 0000-04-5706-SL. · F500 Honda CBR600RR, Suzuki GSXR600, Yamaha R6 restrictor reduced from 29mm to 28mm Flat Plate Intake. · FE and FE2 minimum weight increased to 1270 lbs including driver; spring options and tire warmer ban added. · Mazda Spec MX-5 Challenge classified in STL with 2000cc displacement and 2500 lbs minimum weight. · F500 Honda CBR600RR, Suzuki GSXR600, and Yamaha R6 (03-13) minimum weight increases from 875 to 900 lbs. · STU alternate intake manifolds now allowed case-by-case instead of prohibited. · STL Acura/Honda B18 except C engine restrictor increases from 53mm to 54mm flat plate. · STL and STU ride height measurement clarified: without driver, at rocker panel lowest point, excluding pinch weld. · STL adds VW 1.8L R4 20VT 1781cc, 1 minimum weight, turbo removed permitted. · STL Mazda Renesis minimum weight reduced from 2800 to 2700 lbs. · STL Mazda MX-5 Cup brake pad compound changed to open. · STL adds Acura/Honda B18C1 GSR with 54mm flat plate restrictor and port matching limited to 1 inch. · STL Mazda 12 and 13B now permit port matching; previous ban removed. · STL B18C Type R variants get 54mm flat plate restrictor; B17 also gets 54mm restrictor. · STL Mazda Miata removes maximum displacement limit and adjusts minimum weight.show
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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 STL" is the class's best as a share of STL'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 STL'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.