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BoP Lab / Laguna Seca

GT2 vs AS vs SM vs T2 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 · AS 1:40.712 Clark Nunes, Super Tour Jul 2019 qualifying · SM 1:46.110 Tristan Littlehale, Super Tour Jul 2019 race · T2 1:37.938 Max Fedler, Super Tour Jul 2019 qualifying

EventGT2ASSMT2
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 Kelley1:40.712Clark Nunes · fastest of 4 · top 4 within 7.9s1:40.914Clark Nunes · fastest of 4 · top 4 within 8.0s103.0Michael Thompson+7.149squal +8.387s107.6%qual 109.1%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%1:37.938Max Fedler · fastest of 3 · top 3 within 3.0s1:39.450Max Fedler · fastest of 3 · top 3 within 1.4s107.6Max Fedler+5.685squal +5.613s106.1%qual 106.1%
49 earlier rule changes on record, in force before Super Tour Jul 2019 (from 2019)14 weight · 13 cars added · 8 suspension & brakes · 5 engine · 2 tyres & wheels · 1 induction · 3 wording · 3 other · AS Ford Mustang 79-93 non-Cobra drops 100 lbs to 3150; over 313 CID Cobra drops 100 lbs to 3450. · AS adds Spec Mustang SMG classification with 107.1 wheelbase, 3.73 gears, 355mm front and 300mm rear brakes.showhide
  • GT2 TA2 Weight Clarification #27077weight
  • T2 Request to change Cadillac CTS-V years from 06-07 to 04-07 #26842cars added
  • T2 Request to allow Hotchkiss front / rear sway bars on T2 CTS-V #26845suspension & brakes
  • T2 Consider T2 06-07 Cadillac CTS-V BoP #27022induction
  • T2 Correct T2 Mustang tire size #27024tyres & wheels
  • AS Request to Revert to 2017 Weights #25885weightfaster · weightAS Ford Mustang 79-93 non-Cobra drops 100 lbs to 3150; over 313 CID Cobra drops 100 lbs to 3450.
  • 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
  • T2 2018+ Audi TT RS Suspension Allowances #26631suspension & brakes
  • T2 Request BOP adjustment for 2018 Honda Civic Type R-TIR removal #26882weight +150 lbs
  • 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
  • GT2 Request Ford Perfomance 5.2L crate engine FPR clarification #26159engine
  • GT2 Request Ride Height Clarification #26600suspension & brakes
  • T2 Request for Removal of Rear Anti-roll Bar in T2 Mustang GT #26533suspension & brakes
  • GT2 Request Porsche Cayman year classification #26241other
  • GT2 GT2/ST Porsche Cayman engine #26250engine
  • SM Request to allow aftermarket fuel filters. #26370wording
  • T2 Request Mustang GT Limited Prep 2018 Classification #24431cars added
  • T2 Request to Classify 2018 Audi TT RS #25961cars added
  • T2 Request for Adjustments on 2017+ Civic Type R #25969suspension & brakes
  • T2 Correct Mazda MX-5 Hard Top Notes #26137weight
  • T2 Consider opening class rules to allow any thermostat #26187wording
  • T2 Ford Mustang Boss 302 (12-13) - correct weight #26287weight -50 lbs
  • T2 Request camber correction 005-2013 corvette C6 #26288suspension & brakes
  • T2 Request 98-02 Firebird 98-02 Camaro reloacte rear spring #26291suspension & brakes
  • T2 Cap 2016 Mazda Miata year at 2018 #26388other
  • T2 Class Ford Mustang GT 2018+ (reference letter 24431) #26400cars added
  • AS SMG Mustang eligibility in American sedan #26224cars addedaddedAS adds Spec Mustang SMG classification with 107.1 wheelbase, 3.73 gears, 355mm front and 300mm rear brakes.
  • 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 #26034cars added
  • T2 Errors, Omissions, and Updates (Various) #22414weight
  • T2 Request to classify 2015 Cayman GTS 3.4L in T2 #25335cars added
  • T2 Request for 2017-2018 Honda Civic Type R - 4 BOP Grill #25513other
  • T2 Add Clarification to Spec Car Classifications Vehicle Spec #25774weight
  • T2 Clarify Subframe Bushings Permitted for T2-T4 #25800suspension & brakes

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.