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BoP Lab / World Wide Technology Raceway

GT1 vs FV vs SM pace at World Wide Technology Raceway

Class · click a class to switch, + to compare alongside (up to 4)
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: GT1 57.922 Michael Lewis, ADS 2020 race · FV 1:12.520 Chris Jennerjahn, ADS 2020 race · SM 1:11.508 Kyle Greenhill, ADS 2020 qualifying

EventGT1FVSM
Qual bestRace bestTrapQual bestRace bestTrapvs GT1% of GT1Qual bestRace bestTrapvs GT1% of GT1
ADS 2020 ADS202020-05-2959.218Michael Lewis · fastest of 3 · top 3 within 11.4s57.922Michael Lewis · fastest of 3 · top 3 within 12.8s170.0Michael Lewis1:13.382Chris Jennerjahn · fastest of 3 · top 3 within 3.0s1:12.520Chris Jennerjahn · fastest of 3 · top 3 within 1.9s111.3Chris Jennerjahn+14.598squal +14.164s125.2%qual 123.9%1:11.508Kyle Greenhill · fastest of 13 · top 5 within 0.7s1:11.767Jim Drago · fastest of 12 · top 5 within 1.2s116.3Cooper Lilly+13.845squal +12.290s123.9%qual 120.8%
26 earlier rule changes on record, in force before ADS 2020 (from 2019)6 cars added · 4 tyres & wheels · 3 weight · 2 aero · 1 induction · 10 wording · FV rain tire requirement changed to Hoosier #44266 22.5 x 5.0 x 15 WET or W3. · GT1, GT2, GT3, GTL, GTX may omit windshield clips if factory glass is bonded per original specifications. · 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. · GT2/ST Ford 5.0L Coyote 3rd Gen OEM added at 3200 lbs with Boss intake manifold permitted. · Factory Five Type 65 Coupe R with Ford 302/351 or 5.0/5.2L NA added to GTX-MISC at 2600 lbs. · GT1 sequential shifting transmission weight penalty reduced from 75 to 50 lbs. · GT1 non-18-inch-wheel cars now get 18-inch wheels with 50 lb penalty, down from 100 lb. · GT1 Spec Lines allows 5 Star NASCAR Camaro 2018+ body for General Motors Corporation. · 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. · GT1 Porsche 944/968 classified: 2981cc twin turbo, 2585 lbs minimum weight. · GT1 allows Trans Am rear wing, 12" chord, 72" span, 1/2" wicker, 100 sq in endplates, no weight penalty. · 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. · GTX tube frame cars gain fuel injection with 90mm maximum throttle body size. · Ligier JS2 R classified in GTX, no performance parameters specified in filing. · FV disc brake assembly minimum weight clarified to 16.5 lbs total; caliper minimum weight requirement removed. · GT1 and GT2/GT3/LITE ride height requirements removed from GCR sections 9.1.2.D.5.a.1 and 9.1.2.F.7.b. · SM fuel pump and filter must be Mazda or OEM Equivalent part. · FV intake manifold horizontal tube measurement locations clarified between 1.500" and 8.000" on short side. · 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. · GTX FIA GT3: Audi R8 40mm restrictor 2900 lbs, BMW Z4 70mm 2800 lbs, Ferrari 488 35mm restrictor 3025 lbs classified.showhide
  • 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.
  • GT1 Windshield Clips #27323wordingwordingGT1, GT2, GT3, GTL, GTX may omit windshield clips if factory glass is bonded per original specifications.
  • 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.
  • 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.
  • GT1 Request to classify the Ford Coyote 3rd Gen OEM #27146cars addedcars addedGT2/ST Ford 5.0L Coyote 3rd Gen OEM added at 3200 lbs with Boss intake manifold permitted.
  • GT1 Request Factory Five Daytona coupe classification #26308cars addedcars addedFactory Five Type 65 Coupe R with Ford 302/351 or 5.0/5.2L NA added to GTX-MISC at 2600 lbs.
  • GT1 Request to Adjust Transmission Penalty #27750weightfasterGT1 sequential shifting transmission weight penalty reduced from 75 to 50 lbs.
  • GT1 Request to Reduce Additional Weight for 18 #27751weightfasterGT1 non-18-inch-wheel cars now get 18-inch wheels with 50 lb penalty, down from 100 lb.
  • GT1 Request for Five Star Nascar Compliant Bodywork #27756cars addedcars addedGT1 Spec Lines allows 5 Star NASCAR Camaro 2018+ body for General Motors Corporation.
  • 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.
  • FV Allowed Modifications E&O #27398wordingwordingFV exhaust outlet location tightened to 1–4 inches behind rearmost body part.
  • 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.
  • GT1 Request to classify Porsche 944/968 #26242cars addedcars addedGT1 Porsche 944/968 classified: 2981cc twin turbo, 2585 lbs minimum weight.
  • GT1 Clarify Trans Am Legal Bodywork and Wing #26953aerofasterGT1 allows Trans Am rear wing, 12" chord, 72" span, 1/2" wicker, 100 sq in endplates, no weight penalty.
  • FV Exhaust termination rule E&O #26702aeroaeroFV exhaust opening can now extend to 4 inches behind body rear, previously 3 inches maximum.
  • FV E&O Dimensions #26674wordingwordingFV front track maximum 52.500" and rear track 49.125"-50.750" no longer prohibits spacers.
  • GT1 Request GTX Fuel injection for previous GT-1 tube frame cars #26141inductionfasterGTX tube frame cars gain fuel injection with 90mm maximum throttle body size.
  • GT1 Request to Classify Ligier JS2 R #26535cars addedcars addedLigier JS2 R classified in GTX, no performance parameters specified in filing.
  • 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.
  • GT1 Request Ride Height Clarification #26600wordingwordingGT1 and GT2/GT3/LITE ride height requirements removed from GCR sections 9.1.2.D.5.a.1 and 9.1.2.F.7.b.
  • SM Request to allow aftermarket fuel filters. #26370wordingwordingSM fuel pump and filter must be Mazda or OEM Equivalent part.
  • FV FV Intake Manifold Clarification #26008wordingwordingFV intake manifold horizontal tube measurement locations clarified between 1.500" and 8.000" on short side.
  • 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.
  • GT1 GTX Homologation table update #26034cars addedcars addedGTX FIA GT3: Audi R8 40mm restrictor 2900 lbs, BMW Z4 70mm 2800 lbs, Ferrari 488 35mm restrictor 3025 lbs classified.

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 GT1" is the class's best as a share of GT1'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 GT1'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.