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BoP Lab / Laguna Seca

EP vs SM vs P2 vs FB pace at Laguna Seca

Class · click a class to switch, + to compare alongside (up to 4: remove one to add another)
ASB-SpecEP×EPxF5FAvsFB×FCFE2FFFMFPFVGT1GT2GT3GTLHPP1vsP2×vsSM×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

Quickest here: EP 1:38.804 Glen McCready, Hoosier SCCA Super Tour (San Francisco Region) race · SM 1:46.110 Tristan Littlehale, Hoosier SCCA Super Tour (San Francisco Region) race · P2 1:26.231 Chuck Bona, Hoosier SCCA Super Tour (San Francisco Region) race · FB 1:24.666 Jake Latham, Hoosier SCCA Super Tour (San Francisco Region) qualifying

EventEPSMP2FB
Qual bestRace bestTrapQual bestRace bestTrapvs EP% of EPQual bestRace bestTrapvs EP% of EPQual bestRace bestTrapvs EP% of EP
Hoosier SCCA Super Tour (San Francisco Region) ST19JUL262019-07-261:39.764Glen McCready · fastest of 5 · top 5 within 9.4s1:38.804Glen McCready · fastest of 6 · top 5 within 7.7s102.3Aaron Downey1:46.159Tristan Littlehale · fastest of 11 · top 5 within 1.9s1:46.110Tristan Littlehale · fastest of 11 · top 5 within 1.2s87.0Justin Casey+7.306squal +6.395s107.4%qual 106.4%1:26.927Tim Day Jr · fastest of 5 · top 5 within 7.8s1:26.231Chuck Bona · fastest of 7 · top 5 within 6.8s116.8Tim Day Jr-12.573squal -12.837s87.3%qual 87.1%1:24.666Jake Latham · only car1:25.752Jake Latham · only car116.0Jake Latham-13.052squal -15.098s86.8%qual 84.9%
15 earlier rule changes on record, in force before Hoosier SCCA Super Tour (San Francisco Region) (from 2019)3 induction · 2 weight · 1 engine · 1 suspension & brakes · 7 wording · 1 other · P2 cars limited to power application on maximum two wheels, effective 2019-07-01. · P2 Enterprise minimum weight increases to 1375 lbs; peak horsepower of sealed ESR engine reduced per CRB specification. · EP Mazda RX-8 firewall modification allowed for 13B engine fitment in stock location. · EP, FP, HP clarified: tapered holes in ball joints now allowed for bolt conversion; wheel bearings and hubs unrestricted at any wheel. · EP open cars may now use aftermarket hardtops if they retain OEM appearance; specific model hardtop allowances removed. · EP Mazda RX-7 12A and 13B (79-85) lose up to 80 lbs; 13B (86-91) loses up to 79 lbs. · P2 stock engine restrictor shrinks to 35.0mm and weight rises to 1025 lbs; modified engine restrictor to 34.0mm, weight to 1125 lbs; line B.5 restrictor to 33.0mm, weight to 1185 lbs. · P2 Line A.1 restrictor reduced from 40mm to 38mm. · SM fuel pump and filter must be Mazda or OEM Equivalent part. · 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. · P2 Spec Line cars now allow 1345cc Hayabusa stock engines at 1050 lbs with 30mm restrictor. · P2 Group CN Honda K20A-FD2 55mm restrictor implementation delayed from 1/1/2019 to 3/1/2019. · P2 Honda K20A-FD2 in CN chassis must use stock intake manifold with 64mm throttle body and 55mm restrictor at 1500 lbs minimum weight.showhide
  • P2 E&O Transmissions #27006otherslowerP2 cars limited to power application on maximum two wheels, effective 2019-07-01.
  • P2 Request to restrict all cars #26246weightslower · weightP2 Enterprise minimum weight increases to 1375 lbs; peak horsepower of sealed ESR engine reduced per CRB specification.
  • EP Allow Firewall Modification for Fitment of 13B into RX8 #26726wordingwordingEP Mazda RX-8 firewall modification allowed for 13B engine fitment in stock location.
  • EP Rollcenter Correction Clarification #25873suspension & brakesfaster · suspension & brakesEP, FP, HP clarified: tapered holes in ball joints now allowed for bolt conversion; wheel bearings and hubs unrestricted at any wheel.
  • EP Hardtops #26476wordingwordingEP open cars may now use aftermarket hardtops if they retain OEM appearance; specific model hardtop allowances removed.
  • EP Request for Competition Adjustment for 2nd Generation RX7 #25935weight -50 lbsfaster · weightEP Mazda RX-7 12A and 13B (79-85) lose up to 80 lbs; 13B (86-91) loses up to 79 lbs.
  • P2 Change Engine Table Lines B.1 & B.5 #25777inductionslower · inductionP2 stock engine restrictor shrinks to 35.0mm and weight rises to 1025 lbs; modified engine restrictor to 34.0mm, weight to 1125 lbs; line B.5 restrictor to 33.0mm, weight to 1185 lbs.
  • P2 Change Line A.1 restrictor size #26429inductionslower · inductionP2 Line A.1 restrictor reduced from 40mm to 38mm.
  • SM Request to allow aftermarket fuel filters. #26370wordingwordingSM fuel pump and filter must be Mazda or OEM Equivalent part.
  • 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.
  • P2 Request to Allow 1345cc Hayabusa Engines for Spec Line P2 Cars #25595enginefaster · engineP2 Spec Line cars now allow 1345cc Hayabusa stock engines at 1050 lbs with 30mm restrictor.
  • P2 Change CN inlet restrictor implementation date #25816wordingwordingP2 Group CN Honda K20A-FD2 55mm restrictor implementation delayed from 1/1/2019 to 3/1/2019.
  • P2 Clarify Honda K20A-FD2 parts requirement #25950inductionslower · inductionP2 Honda K20A-FD2 in CN chassis must use stock intake manifold with 64mm throttle body and 55mm restrictor at 1500 lbs minimum weight.

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