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BoP Lab / Buttonwillow Raceway Park

FE 2 vs FE2 pace at Buttonwillow Raceway Park

Class · click a class to switch, + to compare alongside (up to 4)
AS+B Spec+B-Spec+BSpc+EP+F6+F500+FA+FC+FE 2×vsFE2×FF+FP+FV+FX+GT1+GT2+GT3+GT3U+GTL+GTX+HP+P+P1+P2+PX+SM+SMX+SRF3+STL+STU+T1+T2+T3+T4+
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

Quickest here: FE2 1:08.250 Caleb Shrader, Cal Club 2023 qualifying

1:051:101:151:201:251:301:351:402 rule changes between Cal Club 2025 and Cal Club 20262 ▾FE2 race best at Cal Club 2025: 1:39.712 (Paul Marino)FE2 race best at Cal Club 2026: 1:40.253 (Jon McClintock)FE2 qualifying best at Cal Club 2023: 1:08.250 (Caleb Shrader)FE2 qualifying best at Cal Club 2025: 1:39.358 (Paul Marino)FE2 qualifying best at Cal Club 2026: 1:39.265 (Jon McClintock)Cal Club 20232023Cal Club 20252025Cal Club 20262026
FE 2FE2solid race · dashed qualifying · slower is lower
EventFE 2FE2
Qual bestRace bestTrapQual bestRace bestTrapvs FE 2
Cal Club 2026 CALCL262026-02-211:39.265Jon McClintock · fastest of 3 · top 3 within 1.5s-0.093s (-0.09%)1:40.253Jon McClintock · fastest of 3 · top 3 within 2.2s+0.541s (+0.54%)156.6Paul Marino+29.4 mph (+23.1%)
2 rule changes (FE2: 2)2 wording · FE and FE2 Enterprises must use bubble tail P/N WM138014; FE2 allows only this configuration. · FE2 allows driver safety and comfort modifications for disabled drivers with SCCA approval, not transferable to other drivers.showhide
  • FE2 FE & FE2 Bubble Tail #38978wordingwordingFE and FE2 Enterprises must use bubble tail P/N WM138014; FE2 allows only this configuration.
  • FE2 Driver Safety & Comfort #37965wordingwordingFE2 allows driver safety and comfort modifications for disabled drivers with SCCA approval, not transferable to other drivers.
Cal Club 2025 CALCL252025-02-221:39.358Paul Marino · fastest of 4 · top 4 within 1.5s+31.108s (+45.58%)1:39.712Paul Marino · fastest of 4 · top 4 within 1.7s127.2Tom Hope
No rule changes on record between these events
Cal Club 2023 CALCL232023-02-241:08.250Caleb Shrader · fastest of 4 · top 4 within 5.8s
2 earlier rule changes on record, in force before Cal Club 2023 (from 2019)1 weight · 1 wording · FE2 oil cooler wording clarified: optional air-to-oil cooler allowed, Setrab 50-625-7612 or equivalent max 13 inches wide by 6.5 inches high. · FE and FE2 minimum weight increased to 1270 lbs including driver; spring options and tire warmer ban added.showhide
  • FE2 FE/FE2 Oil Cooler #29293wordingwordingFE2 oil cooler wording clarified: optional air-to-oil cooler allowed, Setrab 50-625-7612 or equivalent max 13 inches wide by 6.5 inches high.
  • FE2 FE / FE2 Update Rules #27624weightslowerFE and FE2 minimum weight increased to 1270 lbs including driver; spring options and tire warmer ban added.

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.