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BoP Lab / Laguna Seca

GT2 vs FE2 vs SM vs FV pace at Laguna Seca

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: GT2 1:32.325 Kristofer Olson, Super Tour Jul 2019 qualifying · FE2 1:28.266 Brandon Aleckson, Super Tour Jul 2019 qualifying · SM 1:46.110 Tristan Littlehale, Super Tour Jul 2019 race · FV 1:48.104 Dennis Andrade, Super Tour Jul 2019 qualifying

EventGT2FE2SMFV
Qual bestRace bestTrapQual bestRace bestTrapvs GT2% of GT2Qual bestRace bestTrapvs GT2% of GT2Qual bestRace bestTrapvs GT2% of GT2
Super Tour Jul 2019 ST19JUL262019-07-261:32.325Kristofer Olson · fastest of 5 · top 5 within 11.4s1:33.765Kristofer Olson · fastest of 6 · top 5 within 8.5s119.3Robert Kelley1:28.266Brandon Aleckson · fastest of 3 · top 3 within 3.0s1:29.059Brandon Aleckson · fastest of 3 · top 3 within 3.0s113.9Brandon Aleckson-4.706squal -4.059s95.0%qual 95.6%1:46.159Tristan Littlehale · fastest of 11 · top 5 within 1.9s1:46.110Tristan Littlehale · fastest of 11 · top 5 within 1.2s87.0Justin Casey+12.345squal +13.834s113.2%qual 115.0%1:48.104Dennis Andrade · fastest of 7 · top 5 within 3.8s1:49.588Dennis Andrade · fastest of 7 · top 5 within 1.4s88.2Dennis Andrade+15.823squal +15.779s116.9%qual 117.1%
29 earlier rule changes on record, in force before Super Tour Jul 2019 (from 2019)9 weight · 6 cars added · 5 engine · 1 tyres & wheels · 5 wording · 3 other · FV exhaust outlet opening max distance from body rear increased from 3 to 4 inches. · FV disc brake assembly minimum weight clarified to 16.5 lbs total; caliper minimum weight requirement of 1.65 lbs removed. · GT1 and GT2/3/Lite remove ride height ground clearance rules; cars may now touch ground when tires deflate. · FV intake manifold horizontal tube measurement location clarified; removed specific distance ranges from rule text. · GTX FIA GT3: Audi R8 now 40 mm restrictor and 2900 lbs; BMW Z4 now 70 mm restrictor and 2800 lbs; Ferrari 488 now 35 mm restrictor, TIR, and 3025 lbs.showhide
  • GT2 TA2 Weight Clarification #27077weight
  • FV Exhaust termination rule E&O #26702wordingwordingFV exhaust outlet opening max distance from body rear increased from 3 to 4 inches.
  • GT2 Request to classify Toyota Supra with 3SGTE engine #25185cars added
  • GT2 Request to Classify Acura NSX from T1 to GT2? #26121cars added
  • GT2 Request for TA2 BOP in GT2 #26509weight
  • FV E&O Dimensions #26674other
  • GT2 Request for e36/e46 bmw 4500 cc v8 at 2950lbs in GT2/ST #26106engine
  • GT2 Request GTX Fuel injection for previous GT-1 tube frame cars #26141engine
  • GT2 Request to Classify Ligier JS2 R #26535cars added
  • FV Request to clarify Disc Brake rules bearing retainer & weights #26262weightslower · weightFV disc brake assembly minimum weight clarified to 16.5 lbs total; caliper minimum weight requirement of 1.65 lbs removed.
  • GT2 Request Ford Perfomance 5.2L crate engine FPR clarification #26159engine
  • GT2 Request Ride Height Clarification #26600wordingfasterGT1 and GT2/3/Lite remove ride height ground clearance rules; cars may now touch ground when tires deflate.
  • GT2 Request Porsche Cayman year classification #26241other
  • GT2 GT2/ST Porsche Cayman engine #26250engine
  • SM Request to allow aftermarket fuel filters. #26370wording
  • FV FV Intake Manifold Clarification #26008wordingwordingFV intake manifold horizontal tube measurement location clarified; removed specific distance ranges from rule text.
  • SM Request 99-00 replacement Wire harnesses #25602engine
  • SM Organize and Clarify 9.1.7.C.1.o. #25913weight
  • SM Strike Tire Tread Language #26123tyres & wheels
  • GT2 ST/GT2 BMW Flossman Kit Clarification #22138wording
  • GT2 Request Clarification/Revision of Appendix L (2013 TA2 Rules) #25110weight
  • GT2 Request to classify BMW E82 (1 series) into GT2 #25539cars added
  • GT2 2010 Cayman Street Tuner Into an STO Car,Addendum #25545weight
  • GT2 Request - Classify Ford Performance 5.2l #25716cars added
  • GT2 Add missing displacement, minimum weight. Remove #25765weight
  • GT2 Request for Ford FP 350s Weight Reduction #25806weight
  • GT2 Request to Classify EcoBoost Mustang #25842cars added
  • GT2 Request to Remove Mazda RX 7 Body Work Penalty #26024weight
  • GT2 GTX Homologation table update #26034otherunclearGTX FIA GT3: Audi R8 now 40 mm restrictor and 2900 lbs; BMW Z4 now 70 mm restrictor and 2800 lbs; Ferrari 488 now 35 mm restrictor, TIR, and 3025 lbs.

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 GT2" is the class's best as a share of GT2'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 GT2'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.