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BoP Lab / Laguna Seca

GT1 vs FC vs FP vs T2 pace at Laguna Seca

Class · click a class to switch, + to compare alongside (up to 4: remove one to add another)
ASB-SpecEPEPxF5FAFBvsFC×FE2FFFMvsFP×FVGT1×GT2GT3GTLHPP1P2SMSRF3STLSTUT1vsT2×T3T4
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: FC 1:28.860 Jason Reichert, Hoosier SCCA Super Tour (San Francisco Region) qualifying · FP 1:41.237 Joe Huffaker, Hoosier SCCA Super Tour (San Francisco Region) qualifying · T2 1:37.938 Max Fedler, Hoosier SCCA Super Tour (San Francisco Region) qualifying

EventGT1FCFPT2
Qual bestRace bestTrapQual bestRace bestTrapvs GT1Qual bestRace bestTrapvs GT1Qual bestRace bestTrapvs GT1
Hoosier SCCA Super Tour (San Francisco Region) ST19JUL262019-07-261:28.860Jason Reichert · fastest of 11 · top 5 within 0.8s1:29.754Jason Reichert · fastest of 11 · top 5 within 1.2s110.2James Hakewill1:41.237Joe Huffaker · fastest of 21:42.737Joe Huffaker · only car97.0Joe Huffaker1:37.938Max Fedler · fastest of 3 · top 3 within 3.0s1:39.450Max Fedler · fastest of 3 · top 3 within 1.4s107.6Max Fedler
32 earlier rule changes on record, in force before Hoosier SCCA Super Tour (San Francisco Region) (from 2019)8 cars added · 7 suspension & brakes · 3 weight · 2 induction · 1 aero · 1 tyres & wheels · 10 wording · GT1 allows Trans Am rear wing, 12" chord, 72" span, 1/2" wicker, 100 sq in endplates, no weight penalty. · T2 Cadillac CTS-V classification expanded from 06-07 to include 04-05 model years. · T2 Cadillac CTS-V 06-07 allowed to use Hotchkiss sway bars up to 36mm front, 25mm rear. · T2 Cadillac CTS-V 06-07 requires 57mm flat plate restrictor. · T2 Ford Mustang GT 5.0L tire size reduced from 315 to 295. · T2 2018+ Audi TT RS gains suspension and intercooler allowances: 30mm front sway bar, 28mm rear, 1200lb/in springs, aftermarket intercooler. · T2 Honda Civic Type-R 2017- weight rises 2900 to 3050 lbs, TIR increases 38mm to 50mm. · FC Wiseco piston and Crower connecting rod part numbers updated; minimum weight 976 grams. · 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. · EP, FP, HP clarified: tapered holes in ball joints now allowed for bolt conversion; wheel bearings and hubs unrestricted at any wheel. · EP open cars may now use aftermarket hardtops if they retain OEM appearance; specific model hardtop allowances 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. · T2 Mustang GT anti-roll bars may now be removed or disconnected, previously required as manufactured. · FP Dodge Daytona/Chrysler Laser added at 2100/2153/2205 lbs; Shelby Charger/Omni 024 weight reduced to 2100/2153/2205 lbs. · T1-LP Ford Mustang GT 5.0L 2018+ classified at 3400 lbs with 65mm flat plate restrictor. · T2 Audi TT RS (2018-) newly classified at 3400 lbs minimum weight with 19-inch wheels and 275 tire size. · T2 2017 Civic Type R allows any sway bar front/rear up to 30mm, front springs to 800lb, rear to 2000lb. · T4 Mazda MX-5 Club (06-15) and (2016-), T3 MX-5 Cup and Miata (2016-) hardtop rules clarified; wording changes to permitted parts and specifications. · T2, T3, T4 now allow any thermostat serving only OE intent, previously restricted. · T2 Ford Mustang Boss 302 (12-13) weight drops 50 lbs to 3500. · T2 Corvette C6 Coupe/Grand Sport removes 3.0 degrees MAX front camber restriction. · T2 Pontiac Firebird and Chevrolet Camaro SS (98-02) permitted spring relocation to shock. · T3 and T4 Mazda MX-5 Miata eligibility capped at 2018 model year, effective 2019-03-01. · Ford Mustang GT 5.0L 2018+ classified in T2 at 3600 lbs with 50mm restrictor, 19x11 wheels, 315 tyres. · FC Wiseco piston and Crower connecting rod assembly minimum weight increases from 555 to 976 grams. · GTX FIA GT3: Audi R8 40mm restrictor 2900 lbs, BMW Z4 70mm 2800 lbs, Ferrari 488 35mm restrictor 3025 lbs classified. · T4 Ford Fiesta ST years corrected to 14-; T4 Fiat 124/Abarth Edition years added 16-18; battery rule clarified. · T2 Porsche Cayman S/GTS model years expanded from 13-14 to 13-15, now includes GTS variant. · T2 Honda Civic Type-R 2017- allows Cuztom Tuning FG-CIV16-V3-TR-BK alternate grill. · T1-T3 spec cars receive clarifications on permitted modifications, documentation requirements, and rule conformance; no performance changes. · T2-T4 subframe bushings may now be replaced with non-spherical bushings of any material.showhide
  • 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.
  • T2 Request to change Cadillac CTS-V years from 06-07 to 04-07 #26842cars addedcars addedT2 Cadillac CTS-V classification expanded from 06-07 to include 04-05 model years.
  • T2 Request to allow Hotchkiss front / rear sway bars on T2 CTS-V #26845suspension & brakesfasterT2 Cadillac CTS-V 06-07 allowed to use Hotchkiss sway bars up to 36mm front, 25mm rear.
  • T2 Consider T2 06-07 Cadillac CTS-V BoP #27022inductionslowerT2 Cadillac CTS-V 06-07 requires 57mm flat plate restrictor.
  • T2 Correct T2 Mustang tire size #27024tyres & wheelsslowerT2 Ford Mustang GT 5.0L tire size reduced from 315 to 295.
  • T2 2018+ Audi TT RS Suspension Allowances #26631suspension & brakesfasterT2 2018+ Audi TT RS gains suspension and intercooler allowances: 30mm front sway bar, 28mm rear, 1200lb/in springs, aftermarket intercooler.
  • T2 Request BOP adjustment for 2018 Honda Civic Type R-TIR removal #26882weight +150 lbsslowerT2 Honda Civic Type-R 2017- weight rises 2900 to 3050 lbs, TIR increases 38mm to 50mm.
  • FC E&O Wiseco piston and Crower connecting rod #26659wordingwordingFC Wiseco piston and Crower connecting rod part numbers updated; minimum weight 976 grams.
  • 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.
  • FP Rollcenter Correction Clarification #25873suspension & brakesfasterEP, FP, HP clarified: tapered holes in ball joints now allowed for bolt conversion; wheel bearings and hubs unrestricted at any wheel.
  • FP Hardtops #26476wordingwordingEP open cars may now use aftermarket hardtops if they retain OEM appearance; specific model hardtop allowances 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.
  • T2 Request for Removal of Rear Anti-roll Bar in T2 Mustang GT #26533suspension & brakesfasterT2 Mustang GT anti-roll bars may now be removed or disconnected, previously required as manufactured.
  • FP Request Classification of Dodge Daytona in F Production #26259cars added -150 lbsfasterFP Dodge Daytona/Chrysler Laser added at 2100/2153/2205 lbs; Shelby Charger/Omni 024 weight reduced to 2100/2153/2205 lbs.
  • T2 Request Mustang GT Limited Prep 2018 Classification #24431cars addedcars addedT1-LP Ford Mustang GT 5.0L 2018+ classified at 3400 lbs with 65mm flat plate restrictor.
  • T2 Request to Classify 2018 Audi TT RS #25961cars addedcars addedT2 Audi TT RS (2018-) newly classified at 3400 lbs minimum weight with 19-inch wheels and 275 tire size.
  • T2 Request for Adjustments on 2017+ Civic Type R #25969suspension & brakessuspension & brakesT2 2017 Civic Type R allows any sway bar front/rear up to 30mm, front springs to 800lb, rear to 2000lb.
  • T2 Correct Mazda MX-5 Hard Top Notes #26137wordingwordingT4 Mazda MX-5 Club (06-15) and (2016-), T3 MX-5 Cup and Miata (2016-) hardtop rules clarified; wording changes to permitted parts and specifications.
  • T2 Consider opening class rules to allow any thermostat #26187wordingwordingT2, T3, T4 now allow any thermostat serving only OE intent, previously restricted.
  • T2 Ford Mustang Boss 302 (12-13) - correct weight #26287weight -50 lbsfasterT2 Ford Mustang Boss 302 (12-13) weight drops 50 lbs to 3500.
  • T2 Request camber correction 005-2013 corvette C6 #26288suspension & brakesfasterT2 Corvette C6 Coupe/Grand Sport removes 3.0 degrees MAX front camber restriction.
  • T2 Request 98-02 Firebird 98-02 Camaro reloacte rear spring #26291suspension & brakessuspension & brakesT2 Pontiac Firebird and Chevrolet Camaro SS (98-02) permitted spring relocation to shock.
  • T2 Cap 2016 Mazda Miata year at 2018 #26388wordingwordingT3 and T4 Mazda MX-5 Miata eligibility capped at 2018 model year, effective 2019-03-01.
  • T2 Class Ford Mustang GT 2018+ (reference letter 24431) #26400cars addedcars addedFord Mustang GT 5.0L 2018+ classified in T2 at 3600 lbs with 50mm restrictor, 19x11 wheels, 315 tyres.
  • FC Correct Wiseco piston and connecting rod #25809weightslowerFC Wiseco piston and Crower connecting rod assembly minimum weight increases from 555 to 976 grams.
  • 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.
  • T2 Errors, Omissions, and Updates (Various) #22414wordingwordingT4 Ford Fiesta ST years corrected to 14-; T4 Fiat 124/Abarth Edition years added 16-18; battery rule clarified.
  • T2 Request to classify 2015 Cayman GTS 3.4L in T2 #25335cars addedcars addedT2 Porsche Cayman S/GTS model years expanded from 13-14 to 13-15, now includes GTS variant.
  • T2 Request for 2017-2018 Honda Civic Type R - 4 BOP Grill #25513wordingwordingT2 Honda Civic Type-R 2017- allows Cuztom Tuning FG-CIV16-V3-TR-BK alternate grill.
  • T2 Add Clarification to Spec Car Classifications Vehicle Spec #25774wordingwordingT1-T3 spec cars receive clarifications on permitted modifications, documentation requirements, and rule conformance; no performance changes.
  • T2 Clarify Subframe Bushings Permitted for T2-T4 #25800wordingwordingT2-T4 subframe bushings may now be replaced with non-spherical bushings of any material.

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.