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BoP Lab / World Wide Technology Raceway

FF vs FE2 vs SM 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+vsFE2×FF×FP+FV+FX+GT1+GT2+GT3+GTL+HP+P2+vsSM×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

Quickest here: FF 1:03.578 David H. Livingston Jr., ADS 2020 race · FE2 58.649 Scott Rettich, ADS 2020 qualifying · SM 1:11.508 Kyle Greenhill, ADS 2020 qualifying

EventFFFE2SM
Qual bestRace bestTrapQual bestRace bestTrapvs FF% of FFQual bestRace bestTrapvs FF% of FF
ADS 2020 ADS202020-05-291:05.120David H. Livingston Jr. · only car1:03.578David H. Livingston Jr. · only car129.3David H. Livingston Jr.58.649Scott Rettich · fastest of 4 · top 4 within 2.3s58.825Scott Rettich · fastest of 4 · top 4 within 3.9s141.1Scott Rettich-4.753squal -6.471s92.5%qual 90.1%1:11.508Kyle Greenhill · fastest of 13 · top 5 within 0.7s1:11.767Jim Drago · fastest of 12 · top 5 within 1.2s116.3Cooper Lilly+8.189squal +6.388s112.9%qual 109.8%
11 earlier rule changes on record, in force before ADS 2020 (from 2019)2 engine · 1 tyres & wheels · 1 weight · 7 wording · FF alternator changes from not required to optional. · FF allows Honda HPD LC1 low-cost ECU with lambda sensor; E1 ECU no longer supported but existing units permitted if sealed. · FF rain tyres now allow Hoosier W3 Radial in addition to existing Hoosier Wet option. · FE and FE2 minimum weight increased to 1270 lbs including driver; spring options and tire warmer ban added. · SM fuel pump and filter must be Mazda or OEM Equivalent part. · 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. · SM 1999-2000 model year cars may use replacement Mazda ECU and injector harnesses, unmodified. · SM electrical rules reorganized and clarified; alternator external regulation now prohibited except via OEM ECU/kill switch. · SM removes tire tread protrusion beyond fender opening requirement from GCR 9.1.7.C.5.showhide
  • FF E&O FF Kent Engine alternator language #28204wordingwordingFF alternator changes from not required to optional.
  • FF Honda Racing HPD low cost ECU proposal #27563engineengineFF allows Honda HPD LC1 low-cost ECU with lambda sensor; E1 ECU no longer supported but existing units permitted if sealed.
  • FF Update rain tire designation #28443tyres & wheelstyres & wheelsFF rain tyres now allow Hoosier W3 Radial in addition to existing Hoosier Wet option.
  • FE2 FE / FE2 Update Rules #27624weightslowerFE and FE2 minimum weight increased to 1270 lbs including driver; spring options and tire warmer ban added.
  • SM Request to allow aftermarket fuel filters. #26370wordingwordingSM fuel pump and filter must be Mazda or OEM Equivalent part.
  • 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.
  • SM Request 99-00 replacement Wire harnesses #25602wordingwordingSM 1999-2000 model year cars may use replacement Mazda ECU and injector harnesses, unmodified.
  • SM Organize and Clarify 9.1.7.C.1.o. #25913wordingwordingSM electrical rules reorganized and clarified; alternator external regulation now prohibited except via OEM ECU/kill switch.
  • SM Strike Tire Tread Language #26123wordingwordingSM removes tire tread protrusion beyond fender opening requirement from GCR 9.1.7.C.5.

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