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BoP Lab / Laguna Seca

AS vs FF vs FE2 vs B-Spec 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: AS 1:40.712 Clark Nunes, Hoosier SCCA Super Tour (San Francisco Region) qualifying · FF 1:34.290 Chuck Horn, Hoosier SCCA Super Tour (San Francisco Region) qualifying · FE2 1:28.266 Brandon Aleckson, Hoosier SCCA Super Tour (San Francisco Region) qualifying · B-Spec 1:52.287 Frank Schwartz, Hoosier SCCA Super Tour (San Francisco Region) race

EventASFFFE2B-Spec
Qual bestRace bestTrapQual bestRace bestTrapvs AS% of ASQual bestRace bestTrapvs AS% of ASQual bestRace bestTrapvs AS% of AS
Hoosier SCCA Super Tour (San Francisco Region) ST19JUL262019-07-261:40.712Clark Nunes · fastest of 4 · top 4 within 7.9s1:40.914Clark Nunes · fastest of 4 · top 4 within 8.0s103.0Michael Thompson1:34.290Chuck Horn · fastest of 7 · top 5 within 1.8s1:35.120Courtney Crone · fastest of 7 · top 5 within 1.6s104.0Chuck Horn-5.794squal -6.422s94.3%qual 93.6%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-11.855squal -12.446s88.3%qual 87.6%1:53.083Joseph Gersch · fastest of 4 · top 4 within 1.6s1:52.287Frank Schwartz · fastest of 4 · top 4 within 2.5s82.0Ali Naimi+11.373squal +12.371s111.3%qual 112.3%
10 earlier rule changes on record, in force before Hoosier SCCA Super Tour (San Francisco Region) (from 2019)3 cars added · 1 engine · 1 weight · 5 wording · B-Spec 2007-10 Mini Cooper gains OBX header part #10-2101-2S as permitted E&O. · AS Ford Mustang (79-93) 313 CID and under loses 100 lbs to 3150; over 313 CID loses 100 lbs to 3450. · B-Spec added to GCR 9.3.26 fuel cell exception list; stock fuel tank permitted. · AS Spec Mustang (SMG) newly classified with 107.1 wheelbase, 3.73 gears, 355mm front brakes, 300mm rear. · FF Honda Fit permitted to use 0.25mm oversize pistons, cylinder honing increased to 73.315mm maximum. · FF heat shield rule clarified: thermal wrap allowed on manifold exterior if easily removable for inspection. · FF catch tank minimum capacity rules clarified: coolant catch tank now one U.S. pint minimum, oil catch tank one U.S. quart minimum. · Canadian Nissan Micra Cup Car classified in B-Spec at 2450 lbs with 1598cc engine, Micra Cup suspension kit allowed. · Toyota Yaris (12-18) newly classified in B-Spec with 1491cc engine, 2400 lbs minimum weight, specified suspension and intake allowed. · B-Spec exhaust system wording clarified: OEM or exact replacement catalysts permitted, stock oxygen sensors required, primary converter unmodified.showhide
  • B-Spec Request to allow OBX Header for 2007-10 Mini Cooper #26977wordingwordingB-Spec 2007-10 Mini Cooper gains OBX header part #10-2101-2S as permitted E&O.
  • 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.
  • B-Spec Request to add B-Spec to GCR 9.3.26 fuel cell #26132wordingwordingB-Spec added to GCR 9.3.26 fuel cell exception list; stock fuel tank permitted.
  • 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.
  • FF Request for Oversize Honda Fit Pistons #25810enginefasterFF Honda Fit permitted to use 0.25mm oversize pistons, cylinder honing increased to 73.315mm maximum.
  • FF Heat Shield - Fit Intake #26102wordingwordingFF heat shield rule clarified: thermal wrap allowed on manifold exterior if easily removable for inspection.
  • FF Request catch cans/tanks clarification #26158wordingwordingFF catch tank minimum capacity rules clarified: coolant catch tank now one U.S. pint minimum, oil catch tank one U.S. quart minimum.
  • B-Spec Request to classify Canadian Nissan Micra Cup cars #25216cars addedcars addedCanadian Nissan Micra Cup Car classified in B-Spec at 2450 lbs with 1598cc engine, Micra Cup suspension kit allowed.
  • B-Spec Request updated Toyota Yaris Spec Lines #25483cars addedcars addedToyota Yaris (12-18) newly classified in B-Spec with 1491cc engine, 2400 lbs minimum weight, specified suspension and intake allowed.
  • B-Spec Update wording of exhaust #26022wordingwordingB-Spec exhaust system wording clarified: OEM or exact replacement catalysts permitted, stock oxygen sensors required, primary converter unmodified.

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