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BoP Lab / Buttonwillow Raceway Park

FM vs SRF vs F6 vs P2 pace at Buttonwillow Raceway Park

Class · click a class to switch, + to compare alongside (up to 4: remove one to add another)
ASB SpecB-SpecBSpcEPF5vsF6×F500FAFBFCFEFE 2FE2FFFM×FPFVFXGT1GT2GT3GT3UGTLGTXHPPP1vsP2×PXSMSMXvsSRF×SRF3STLSTUT1T2T3T4
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
EventFMSRFF6P2
Qual bestRace bestTrapQual bestRace bestTrapvs FM% of FMQual bestRace bestTrapvs FM% of FMQual bestRace bestTrapvs FM% of FM
Super Tour Apr 2019 ST19APR262019-04-26
5 earlier rule changes on record, in force before Super Tour Apr 2019 (from 2019)2 engine · 2 induction · 1 weightshowhide
  • P2 Change Engine Table Lines B.1 & B.5 #25777engine
  • P2 Change Line A.1 restrictor size #26429induction
  • P2 Request to Allow 1345cc Hayabusa Engines for Spec Line P2 Cars #25595engine
  • P2 Change CN inlet restrictor implementation date #25816induction
  • P2 Clarify Honda K20A-FD2 parts requirement #25950weight

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