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BoP Lab / World Wide Technology Raceway

FC vs SRF3 pace at World Wide Technology Raceway

Class · click a class to switch, + to compare alongside (up to 4)
AS+B-Spec+EP+F5+FA+FC×FE2+FF+FP+FV+FX+GT1+GT2+GT3+GTL+HP+P2+SM+vsSRF3×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

Quickest here: FC 58.276 Bill Johnson, ADS 2020 qualifying · SRF3 1:05.764 Richard Wiese, ADS 2020 qualifying

EventFCSRF3
Qual bestRace bestTrapQual bestRace bestTrapvs FC% of FC
ADS 2020 ADS202020-05-2958.276Bill Johnson · only car59.061Bill Johnson · only car139.8Bill Johnson1:05.764Richard Wiese · fastest of 21 · top 5 within 0.6s1:06.293Richard Wiese · fastest of 21 · top 5 within 0.7s129.9Justin Claucherty+7.232squal +7.488s112.2%qual 112.8%
13 earlier rule changes on record, in force before ADS 2020 (from 2019)2 weight · 1 suspension & brakes · 1 tyres & wheels · 9 wording · SRF3 bump stop now must be SCCA P/N 280407 only, no modifications, optional, max one per shock. · SRF shock absorber bump stop clarified: only SCCA P/N 280407 allowed as delivered, maximum one per shock, effective 05/01/2020. · SRF rain and brake rule wording updated; supersedes GCR 9.3.32.B.2 effective 1/1/202 through 12/31/2024. · FC Zetec connecting rods now allow Eagle #CRS5483F3D in addition to original Ford. · FC adds Mahle #930169439 piston as alternate option to existing Ford, Sealed Power, and United Engine choices. · SRF bans tire warmers and cooling methods other than natural air convection or conduction. · SRF front nose weight minimum reduced from 35 to 32 lbs. · SRF3 reclassified as Spec Racer Ford 3 with 1.6L conversion; SRF2 becomes Regional Only Class. · SRF drivers may now use Dash Windscreen Kit P/N 1180103 or P/N 180102. · SRF3 nose assembly must use approved multi-piece design; no modifications allowed except as specified. · FC Wiseco piston and Crower connecting rod part numbers updated; minimum weight 976 grams. · 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. · FC Wiseco piston and Crower connecting rod assembly minimum weight increases from 555 to 976 grams.showhide
  • SRF3 Update Bump Stop Rule #28712suspension & brakessuspension & brakesSRF3 bump stop now must be SCCA P/N 280407 only, no modifications, optional, max one per shock.
  • SRF3 SRF Bump Stop Correction #27019wordingwordingSRF shock absorber bump stop clarified: only SCCA P/N 280407 allowed as delivered, maximum one per shock, effective 05/01/2020.
  • SRF3 SRF Rain / Brake Rule - BoD approved as follows #34958wordingwordingSRF rain and brake rule wording updated; supersedes GCR 9.3.32.B.2 effective 1/1/202 through 12/31/2024.
  • FC Request for Better Zetec Connecting Rods #27710wordingwordingFC Zetec connecting rods now allow Eagle #CRS5483F3D in addition to original Ford.
  • FC Add Alternate Piston #27795wordingwordingFC adds Mahle #930169439 piston as alternate option to existing Ford, Sealed Power, and United Engine choices.
  • SRF3 SRF Tire Warmer Rule #27622tyres & wheelsslowerSRF bans tire warmers and cooling methods other than natural air convection or conduction.
  • SRF3 SRF / SRF3 Nose Weight Reduction #27706weightfasterSRF front nose weight minimum reduced from 35 to 32 lbs.
  • SRF3 SRF / SRF3 Majors & Regional Class Updates #27723wordingwordingSRF3 reclassified as Spec Racer Ford 3 with 1.6L conversion; SRF2 becomes Regional Only Class.
  • SRF3 SRF Dash Windscreen Kit #27028wordingwordingSRF drivers may now use Dash Windscreen Kit P/N 1180103 or P/N 180102.
  • SRF3 New SRF Sectional Nose Rule Addition #26914wordingwordingSRF3 nose assembly must use approved multi-piece design; no modifications allowed except as specified.
  • FC E&O Wiseco piston and Crower connecting rod #26659wordingwordingFC Wiseco piston and Crower connecting rod part numbers updated; minimum weight 976 grams.
  • 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.
  • FC Correct Wiseco piston and connecting rod #25809weightslowerFC Wiseco piston and Crower connecting rod assembly minimum weight increases from 555 to 976 grams.

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