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BoP Lab / Laguna Seca

SRF3 vs AS vs FM vs FE2 pace at Laguna Seca

Class · click a class to switch, + to compare alongside (up to 4: remove one to add another)
vsAS×B-SpecEPEPxF5FAFBFCvsFE2×FFvsFM×FPFVGT1GT2GT3GTLHPP1P2SMSRF3×STLSTUT1T2T3T4
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: SRF3 1:37.644 TJ Acker, Hoosier SCCA Super Tour (San Francisco Region) qualifying · AS 1:40.712 Clark Nunes, Hoosier SCCA Super Tour (San Francisco Region) qualifying · FM 1:31.060 Bill Weaver, Hoosier SCCA Super Tour (San Francisco Region) qualifying · FE2 1:28.266 Brandon Aleckson, Hoosier SCCA Super Tour (San Francisco Region) qualifying

EventSRF3ASFMFE2
Qual bestRace bestTrapQual bestRace bestTrapvs SRF3% of SRF3Qual bestRace bestTrapvs SRF3% of SRF3Qual bestRace bestTrapvs SRF3% of SRF3
Hoosier SCCA Super Tour (San Francisco Region) ST19JUL262019-07-261:37.644TJ Acker · fastest of 25 · top 5 within 0.8s1:38.588Steve Fogg · fastest of 25 · top 5 within 0.7s99.9Mike Miserendino1:40.712Clark Nunes · fastest of 4 · top 4 within 7.9s1:40.914Clark Nunes · fastest of 4 · top 4 within 8.0s103.0Michael Thompson+2.326squal +3.068s102.4%qual 103.1%1:31.060Bill Weaver · fastest of 7 · top 5 within 3.0s1:32.101Bill Weaver · fastest of 7 · top 5 within 1.0s109.0Randy Sturgeon-6.487squal -6.584s93.4%qual 93.3%1:28.266Brandon Aleckson · fastest of 3 · top 3 within 3.0s1:29.059Brandon Aleckson · fastest of 3 · top 3 within 3.0s113.9Brandon Aleckson-9.529squal -9.378s90.3%qual 90.4%
5 earlier rule changes on record, in force before Hoosier SCCA Super Tour (San Francisco Region) (from 2019)1 cars added · 1 weight · 3 wording · SRF drivers may now use Dash Windscreen Kit P/N 1180103 or P/N 180102. · AS Ford Mustang (79-93) 313 CID and under loses 100 lbs to 3150; over 313 CID loses 100 lbs to 3450. · SRF3 nose assembly must use approved multi-piece design; no modifications allowed except as specified. · SRF3 brakes now allow Hawk Blue 9012 pads P/N 801993 only; shocks simplified to Penske P/N 280396 sealed assembly only, with optional SCCA Enterprises bump rubber P/N 280407 from 05/01/2020. · AS Spec Mustang (SMG) newly classified with 107.1 wheelbase, 3.73 gears, 355mm front brakes, 300mm rear.showhide
  • SRF3 SRF Dash Windscreen Kit #27028wordingwordingSRF drivers may now use Dash Windscreen Kit P/N 1180103 or P/N 180102.
  • AS Request to Revert to 2017 Weights #25885weightfasterAS Ford Mustang (79-93) 313 CID and under loses 100 lbs to 3150; over 313 CID loses 100 lbs to 3450.
  • SRF3 New SRF Sectional Nose Rule Addition #26914wordingwordingSRF3 nose assembly must use approved multi-piece design; no modifications allowed except as specified.
  • SRF3 SRF Brakes and Shock Rule Changes #26629wordingwordingSRF3 brakes now allow Hawk Blue 9012 pads P/N 801993 only; shocks simplified to Penske P/N 280396 sealed assembly only, with optional SCCA Enterprises bump rubber P/N 280407 from 05/01/2020.
  • AS SMG Mustang eligibility in American sedan #26224cars addedcars addedAS Spec Mustang (SMG) newly classified with 107.1 wheelbase, 3.73 gears, 355mm front brakes, 300mm rear.

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 SRF3" is the class's best as a share of SRF3'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 SRF3'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.