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BoP Lab / Sebring International Raceway

FE2 vs SMX vs FF pace at Sebring International Raceway

Class · click a class to switch, + to compare alongside (up to 4)
AS+B-Spec+EP+F6+FA+FC+FE2×vsFF×FP+FV+FX+GT1+GT2+GT3+GT3U+GTL+GTX+HP+P+P1+P2+SM+SM +vsSMX×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: FE2 2:06.179 Charles Russell Turner, Central Florida 2024 race · SMX 2:28.473 Matthew Novak, Central Florida 2025 qualifying · FF 2:19.283 Sebastian Mateo Naranjo, Central Florida 2024 race

2:052:102:152:202:252:302:352:402:452:502:558 rule changes between Central Florida 2024 and Central Florida 20258 ▾FE2 race best at Central Florida 2024: 2:06.179 (Charles Russell Turner)FE2 race best at Central Florida 2025: 2:07.365 (Charles Russell Turner)FE2 qualifying best at Central Florida 2024: 2:07.950 (Charles Russell Turner)FE2 qualifying best at Central Florida 2025: 2:07.235 (Eric Wisniewski)SMX race best at Central Florida 2024: 2:31.578 (Justin Adakonis)SMX race best at Central Florida 2025: 2:29.437 (Camden Gruber)SMX qualifying best at Central Florida 2024: 2:54.038 (Rocco Pasquarella)SMX qualifying best at Central Florida 2025: 2:28.473 (Matthew Novak)FF race best at Central Florida 2024: 2:19.283 (Sebastian Mateo Naranjo)FF qualifying best at Central Florida 2024: 2:20.264 (John Robinson II)Central Florida 20242024Central Florida 20252025
FE2SMXFFsolid race · dashed qualifying · slower is lower
96%98%100%102%104%106%108%110%112%114%116%118%120%122%124%126%128%130%132%134%136%138%140%8 rule changes between Central Florida 2024 and Central Florida 20258 ▾FE2 race best at Central Florida 2024: 100.0% of FE2's (Charles Russell Turner)FE2 race best at Central Florida 2025: 100.0% of FE2's (Charles Russell Turner)FE2 qualifying best at Central Florida 2024: 100.0% of FE2's (Charles Russell Turner)FE2 qualifying best at Central Florida 2025: 100.0% of FE2's (Eric Wisniewski)SMX race best at Central Florida 2024: 120.1% of FE2's (Justin Adakonis)SMX race best at Central Florida 2025: 117.3% of FE2's (Camden Gruber)SMX qualifying best at Central Florida 2024: 136.0% of FE2's (Rocco Pasquarella)SMX qualifying best at Central Florida 2025: 116.7% of FE2's (Matthew Novak)FF race best at Central Florida 2024: 110.4% of FE2's (Sebastian Mateo Naranjo)FF qualifying best at Central Florida 2024: 109.6% of FE2's (John Robinson II)Central Florida 20242024Central Florida 20252025
FE2SMXFFsolid race · dashed qualifying · each class's best lap as a share of FE2's at the same event (the reference class, changeable above); 100% is level, higher is quicker
EventFE2SMXFF
Qual bestRace bestTrapQual bestRace bestTrapvs FE2% of FE2Qual bestRace bestTrapvs FE2% of FE2
Central Florida 2025 CENTFL252025-01-102:07.235Eric Wisniewski · fastest of 8 · top 5 within 1.7s-0.715s (-0.56%)2:07.365Charles Russell Turner · fastest of 8 · top 5 within 2.4s+1.186s (+0.94%)132.1Vaughn Mishko-3.1 mph (-2.3%)2:28.473Matthew Novak · fastest of 24 · top 5 within 0.9s-25.565s (-14.69%)2:29.437Camden Gruber · fastest of 24 · top 5 within 0.3s-2.141s (-1.41%)115.6Jason Fichter+2.2 mph (+2.0%)+22.072squal +21.238s117.3%qual 116.7%
8 rule changes (SMX: 5, FF: 3)1 weight · 7 wording · SMX allows OE instrument cluster relocation for aftermarket dash mounting, with wiring re-routed only; alternate gauges now permitted. · FF and FC cars with sequential gearbox must add 10 lbs. to minimum weight, down from 25 lbs. · FF Honda Fit allows Fast Forward 0.25mm oversize pistons PN FF800-110 as alternative; piston diameter spec clarified to 2.8835 inches. · FF VTEC activation valve must function; EGR blanking plate rule clarified with Fast Forward part numbers. · SMX Spec MX-5 camera requirement wording changed; non-functioning recorder now grounds for penalty or disqualification. · SMX Spec MX-5 must run latest AIM Data Logger Spec MX-5 ECU Protocol; wording clarification for technical compliance. · SMX Mazda Miata OE versus OEM definitions clarified in GCR Section 9.1.7.1. · SM and SMX shifter bushing rules clarified: alternate bushing at shift lever bottom now allowed.showhide
  • SMX E&O SMX Regs 9.1.7.1.D.5.u-.w #37070wordingneutralSMX allows OE instrument cluster relocation for aftermarket dash mounting, with wiring re-routed only; alternate gauges now permitted.
  • FF Change FF/FC Weight with Sequential Gearbox #36651weightfasterFF and FC cars with sequential gearbox must add 10 lbs. to minimum weight, down from 25 lbs.
  • FF Alternative Oversize Honda Fit Pistons #37064wordingneutralFF Honda Fit allows Fast Forward 0.25mm oversize pistons PN FF800-110 as alternative; piston diameter spec clarified to 2.8835 inches.
  • FF Update to FF EGR Blanking Plate Rule #36633wordingneutralFF VTEC activation valve must function; EGR blanking plate rule clarified with Fast Forward part numbers.
  • SMX SMX Camera Rule Correction #36496wordingneutralSMX Spec MX-5 camera requirement wording changed; non-functioning recorder now grounds for penalty or disqualification.
  • SMX Committee) AIM ECU Protocol #36556wordingneutralSMX Spec MX-5 must run latest AIM Data Logger Spec MX-5 ECU Protocol; wording clarification for technical compliance.
  • SMX Committee) OE versus OEM Definitons #36608wordingneutralSMX Mazda Miata OE versus OEM definitions clarified in GCR Section 9.1.7.1.
  • SMX Committee) Shifter Bushing #36611wordingneutralSM and SMX shifter bushing rules clarified: alternate bushing at shift lever bottom now allowed.
Central Florida 2024 CENTFL242024-01-122:07.950Charles Russell Turner · fastest of 12 · top 5 within 2.6s2:06.179Charles Russell Turner · fastest of 12 · top 5 within 2.8s135.2Charles Russell Turner2:54.038Rocco Pasquarella · fastest of 22 · top 5 within 1.6s2:31.578Justin Adakonis · fastest of 23 · top 5 within 0.6s113.3Will Robinson+25.399squal +46.088s120.1%qual 136.0%2:20.264John Robinson II · fastest of 5 · top 5 within 5.3s2:19.283Sebastian Mateo Naranjo · fastest of 5 · top 5 within 3.9s124.3John Robinson II+13.104squal +12.314s110.4%qual 109.6%
14 earlier rule changes on record, in force before Central Florida 2024 (from 2019)2 engine · 1 tyres & wheels · 1 weight · 10 wording · FF Honda Fit gains Fast Forward FF800-100 oversize piston ring pack option. · FF Honda Fit engine adds Fast Forward part number alternatives for intake, exhaust, oil system, and scavenge pump components. · FF block relief permitted only as needed to fit allowed crankshaft. · FF class cylinder head may now have optional coolant bleed line fitting to top of head for air release. · FF Honda LC1 ECU by HPD permitted effective 12/1/2020, must use HPD lambda sensor. · 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. · FF Honda LC1 ECU implementation date changed from 3/1/2020 to pending availability of support materials. · 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. · 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.showhide
  • FF Honda Fit Oversize Piston Rings #35305wordingneutralFF Honda Fit gains Fast Forward FF800-100 oversize piston ring pack option.
  • FF Add Fast Forward Part Numbers for Honda Fit Engine #33752wordingneutralFF Honda Fit engine adds Fast Forward part number alternatives for intake, exhaust, oil system, and scavenge pump components.
  • FF Kent crankshaft clarification #30426wordingneutralFF block relief permitted only as needed to fit allowed crankshaft.
  • FF Allow Optional Coolant Bleed Line to Correct a Known Problem #29673wordingneutralFF class cylinder head may now have optional coolant bleed line fitting to top of head for air release.
  • FF Clarification regarding Honda LC1 ECU implementation date #29684wordingneutralFF Honda LC1 ECU by HPD permitted effective 12/1/2020, must use HPD lambda sensor.
  • FE2 FE/FE2 Oil Cooler #29293wordingneutralFE2 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.
  • FF Clarification regarding Honda LC1 ECU implementation #29135wordingneutralFF Honda LC1 ECU implementation date changed from 3/1/2020 to pending availability of support materials.
  • FF E&O FF Kent Engine alternator language #28204wordingneutralFF alternator changes from not required to optional.
  • FF Honda Racing HPD low cost ECU proposal #27563engineneutralFF 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 & wheelsneutralFF 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.
  • 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 #26102wordingneutralFF heat shield rule clarified: thermal wrap allowed on manifold exterior if easily removable for inspection.
  • FF Request catch cans/tanks clarification #26158wordingneutralFF catch tank minimum capacity rules clarified: coolant catch tank now one U.S. pint minimum, oil catch tank one U.S. quart minimum.

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 FE2" is the class's best as a share of FE2'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 FE2'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.