BoP Lab / Michelin Raceway Road Atlanta

ITB vs FV vs FM pace at Michelin Raceway Road Atlanta

Quickest here: FV 1:43.556 Andrew Whitston, Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta race

ITBFVFMsolid race · dashed qualifying · slower is lower

	Event	ITB			FV				FM
	Event	Qual best	Race best	Trap	Qual best	Race best	Trap	vs ITB	Qual best	Race best	Trap	vs ITB
	Atlanta Region SCCA Hoosier Super Tour @ Michelin Raceway Road Atlanta ST26MAR062026-03-06				1:45.061Donnie Isley · fastest of 9 · top 5 within 5.0s+0.537s (+0.51%)	1:46.101Donnie Isley · fastest of 9 · top 5 within 3.6s+2.545s (+2.46%)	107.1Donnie Isley+4.9 mph (+4.8%)
3 rule changes (ITB: 2, FV: 1)1 suspension & brakes · 2 wording · Turbocharged and supercharged cars ineligible for IT classes unless explicitly listed. · FV ferrous rotor no longer required to be smooth; may have up to three pad cleaning grooves per side. · IT classes battery replacement rules relaxed; amp-hour capacity and weight restrictions removed.showhide 2026-02-01 ITB E&O: Turbo Cars in IT #39691wordingwordingTurbocharged and supercharged cars ineligible for IT classes unless explicitly listed. 2024-10-01 FV Disc Brakes #36822suspension & brakessuspension & brakesFV ferrous rotor no longer required to be smooth; may have up to three pad cleaning grooves per side. 2024-04-01 ITB Battery Change #35854wordingwordingIT classes battery replacement rules relaxed; amp-hour capacity and weight restrictions removed.
	Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta ST24MAR082024-03-08				1:44.524Andrew Whitston · fastest of 12 · top 5 within 3.0s-1.850s (-1.74%)	1:43.556Andrew Whitston · fastest of 12 · top 5 within 1.3s-2.653s (-2.50%)	102.2Andrew Whitston-6.3 mph (-5.8%)
2 rule changes (ITB: 1, FV: 1)1 cars added · 1 wording · Honda Fit MT and CVT 2015-2019 added to ITB at 2525 lbs, may run B-Spec or IT spec. · FV front wheel bearings wording clarified in GCR 9.1.1.C.10.G.showhide 2024-03-01 ITB Honda Fit 2016 - 2020 Request #34907cars addedcars addedHonda Fit MT and CVT 2015-2019 added to ITB at 2525 lbs, may run B-Spec or IT spec. 2023-12-01 FV FV Wheel Bearing Clarification #35150wordingwordingFV front wheel bearings wording clarified in GCR 9.1.1.C.10.G.
	Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta ST23MAR102023-03-10				1:46.374Mitchell Ferguson · fastest of 6 · top 5 within 3.0s+0.482s (+0.46%)	1:46.209Stevan Davis · fastest of 6 · top 5 within 1.3s+0.338s (+0.32%)	108.5Russell Fredericks+2.5 mph (+2.4%)
No rule changes on record between these events
	Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta ST22MAR122022-03-12				1:45.892Mitchell Ferguson · fastest of 8 · top 5 within 3.5s+2.182s (+2.10%)	1:45.871Stevan Davis · fastest of 8 · top 5 within 3.3s+2.124s (+2.05%)	106.0Jeffrey Filipkowski-2.0 mph (-1.9%)
4 rule changes (FV: 4)4 wording · FV connecting rod rules add Brian Crower part #BC6417 and Newland Group #4M113077 as allowed replacements. · FV connecting rods minimum weight 425.0 grams, center-to-center length 130 ± 0.10/-0.25 mm specified. · FV connecting rod suppliers clarified: Crower SP93280B and BrianCrower BC6417 allowed as direct replacements. · FV allows Crower SP93280B and Brian Crower Racing Rods as direct replacement connecting rods, must meet OEM minimum weight.showhide 2022-03-01 FV Connecting Rod Update Request for 9.1.1.C Formula Vee (FV) 5.C.6 #32160wordingwordingFV connecting rod rules add Brian Crower part #BC6417 and Newland Group #4M113077 as allowed replacements. 2022-03-01 FV E&O clarification of connecting rod center-to-center length #32183wordingwordingFV connecting rods minimum weight 425.0 grams, center-to-center length 130 ± 0.10/-0.25 mm specified. 2022-01-01 FV Update direct replacement connecting rod information #31843wordingwordingFV connecting rod suppliers clarified: Crower SP93280B and BrianCrower BC6417 allowed as direct replacements. 2021-12-01 FV Formula V Connecting Rod Replacement #31448wordingwordingFV allows Crower SP93280B and Brian Crower Racing Rods as direct replacement connecting rods, must meet OEM minimum weight.
	Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta ST21MAR192021-03-19				1:43.710Andrew Whitston · fastest of 7 · top 5 within 2.8s	1:43.747Donnie Isley · fastest of 7 · top 5 within 1.7s	108.0Zachary Whitston
20 earlier rule changes on record, in force before Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta (from 2019)5 tyres & wheels · 4 cars added · 2 weight · 1 aero · 8 wording · Toyota Camry 1987-91 4 Cyl DOHC 1998cc added to ITA at 2255 lbs minimum weight. · ITB now allows B-Spec prepared vehicles to compete if compliant with current B-Spec rules for that vehicle. · ITR Honda Accord V6 Coupe 03-05 and 06-07 newly classified at 3175 lbs minimum weight. · FV now allows 4 bolt wheels, previously restricted to 5 bolt wheels. · FV now supports 4-bolt pattern wheels in addition to existing wheel specifications. · Improved Touring traction control no longer requires disconnecting three wheel speed sensors, just disabled. · FV rain tire requirement changed to Hoosier #44266 22.5 x 5.0 x 15 WET or W3. · FV allows non-spec Hoosier tires in Regional races until 2020-01-01, when spec tires become required. · FV allows rear tires on front of car; mandates Hoosier #43337 fronts and #43353 rears, plus #44266 rain tire from 2020-01-01. · FV wheels clarified: 15" x 4J standard or 15" x 4.5J steel VW, 5-bolt pattern, same track dimensions. · FV exhaust outlet location tightened to 1–4 inches behind rearmost body part. · FV wheels now permit 15-inch 4.5J steel wheels within C.2 track dimensions, adding to standard 4J options. · ITA Ford Escort ZX2 year range extended to 2003, minimum weight reduced to 2355 lbs. · ITB Mini Cooper extended to 2013 model year, allowed in B-Spec or IT specification with respective weights. · FV exhaust opening can now extend to 4 inches behind body rear, previously 3 inches maximum. · FV front track maximum 52.500" and rear track 49.125"-50.750" no longer prohibits spacers. · IT classes renumber intake and fuel system rules under 9.3.1.D.1, clarify throttle linkage and electronic throttle restrictions. · FV disc brake assembly minimum weight clarified to 16.5 lbs total; caliper minimum weight requirement removed. · FV intake manifold horizontal tube measurement locations clarified between 1.500" and 8.000" on short side. · ITB dual-classifies Honda Fit 09-13 at 2270 lbs and 14-15 at 2705 lbs, plus seven other B-Spec cars into ITC.showhide 2021-03-01 ITB Request 2nd Generation Camry to ITB #30007cars addedcars addedToyota Camry 1987-91 4 Cyl DOHC 1998cc added to ITA at 2255 lbs minimum weight. 2021-03-01 ITB Request for Car Eligibility #30070wordingwordingITB now allows B-Spec prepared vehicles to compete if compliant with current B-Spec rules for that vehicle. 2020-12-01 ITB Request to classify a 2003 Honda Accord #28898cars addedcars addedITR Honda Accord V6 Coupe 03-05 and 06-07 newly classified at 3175 lbs minimum weight. 2020-07-01 FV Support for Recommended Item - 4 bolt wheels in FV #29084tyres & wheelstyres & wheelsFV now allows 4 bolt wheels, previously restricted to 5 bolt wheels. 2020-07-01 FV Support for 4-bolt pattern wheels #28955 #29118wordingwordingFV now supports 4-bolt pattern wheels in addition to existing wheel specifications. 2020-05-01 ITB Cleanup 4.f Traction control #28609wordingwordingImproved Touring traction control no longer requires disconnecting three wheel speed sensors, just disabled. 2020-03-01 FV Update rain tire designation #28444tyres & wheelstyres & wheelsFV rain tire requirement changed to Hoosier #44266 22.5 x 5.0 x 15 WET or W3. 2020-01-01 FV FV Allow non-spec tire in Regional competition #26284tyres & wheelstyres & wheelsFV allows non-spec Hoosier tires in Regional races until 2020-01-01, when spec tires become required. 2020-01-01 FV Request to Allow Rear Tires on the Front of Formula Vee #26537tyres & wheelstyres & wheelsFV allows rear tires on front of car; mandates Hoosier #43337 fronts and #43353 rears, plus #44266 rain tire from 2020-01-01. 2019-12-01 FV Clarification on Wheel Bolt Pattern #27603wordingwordingFV wheels clarified: 15" x 4J standard or 15" x 4.5J steel VW, 5-bolt pattern, same track dimensions. 2019-10-01 FV Allowed Modifications E&O #27398wordingwordingFV exhaust outlet location tightened to 1–4 inches behind rearmost body part. 2019-08-31 FV E&O Wheels #27230tyres & wheelstyres & wheelsFV wheels now permit 15-inch 4.5J steel wheels within C.2 track dimensions, adding to standard 4J options. 2019-08-31 ITB Request clarification 1999 Ford Escort ZX2 S?R #26966weight -45 lbsfasterITA Ford Escort ZX2 year range extended to 2003, minimum weight reduced to 2355 lbs. 2019-08-31 ITB Request to allow 07-11 Mini in ITB as BPSEC configuration #26997cars addedcars addedITB Mini Cooper extended to 2013 model year, allowed in B-Spec or IT specification with respective weights. 2019-05-31 FV Exhaust termination rule E&O #26702aeroaeroFV exhaust opening can now extend to 4 inches behind body rear, previously 3 inches maximum. 2019-05-01 FV E&O Dimensions #26674wordingwordingFV front track maximum 52.500" and rear track 49.125"-50.750" no longer prohibits spacers. 2019-05-01 ITB Request clarification on 9.1.3 D1.A.2 #26237wordingwordingIT classes renumber intake and fuel system rules under 9.3.1.D.1, clarify throttle linkage and electronic throttle restrictions. 2019-04-01 FV Request to clarify Disc Brake rules bearing retainer & weights #26262weightslowerFV disc brake assembly minimum weight clarified to 16.5 lbs total; caliper minimum weight requirement removed. 2019-02-01 FV FV Intake Manifold Clarification #26008wordingwordingFV intake manifold horizontal tube measurement locations clarified between 1.500" and 8.000" on short side. 2019-01-01 ITB Request to Dual-Class Honda Fit and B-Spec Cars Into ITC and #25347cars addedcars addedITB dual-classifies Honda Fit 09-13 at 2270 lbs and 14-15 at 2705 lbs, plus seven other B-Spec cars into ITC.

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. 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.