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BoP Lab / Buttonwillow Raceway Park

FE vs FB vs F5 vs AS pace at Buttonwillow Raceway Park

Class · click a class to switch, + to compare alongside (up to 4: remove one to add another)
vsAS×B SpecB-SpecBSpcEPvsF5×F6F500FAvsFB×FCFE×FE 2FE2FFFMFPFVFXGT1GT2GT3GT3UGTLGTXHPPP1P2PXSMSMXSRFSRF3STLSTUT1T2T3T4
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
Track configuration
EventFEFBF5AS
Qual bestRace bestTrapQual bestRace bestTrapvs FE% of FEQual bestRace bestTrapvs FE% of FEQual bestRace bestTrapvs FE% of FE
Super Tour Apr 2019 ST19APR262019-04-26
2 earlier rule changes on record, in force before Super Tour Apr 2019 (from 2019)1 cars added · 1 tyres & wheels · AS adds Spec Mustang SMG classification with 107.1 wheelbase, 3.73 gears, 355mm front and 300mm rear brakes.showhide
  • FE Request to Update Hoosier Rain Tire Part Number for the FE cars #26235tyres & wheels
  • 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.

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