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BoP Lab / Classes / S7

S7 vs TTA vs SSM vs IT7 pace at every track

Lap times across years say as much about the weather as the class. % of S7 is each class's best lap as a share of S7's on the same day, so the conditions drop out: 100% is level, less is quicker, and a move in it is the class getting faster or slower against the field.

Class · click a class to switch, + to compare alongside (up to 4: remove one to add another)
1DASB SpecB-specB-SpecBSBSpcBSpecC6CFCFCCTACTBCTCCTDEPEPxF5F6F500F1000FAFBFCFEFE 2FE2FFFMFPFRIFVFXGT-1GT-2GT-XGT1GT2GT3GT3UGTAGTLGTXHPvsIT7×ITAITBITCITEITE-OITRITSPP1P2PXS7×SMSM SMSESMSE-TSMXSPUSRFSRF 3SRF3vsSSM×STLSTUSUNT1T2T3T4vsTTA×UnknownHide inactive classes
Reference · what % is measured against
Tracks · untick to narrow

Closest to the field: S7 100.0% of S7 Mark Miller, Pueblo Motorsports Park Majors May 2016 race

1:101:201:301:401:502:003 rule changes between Majors May 2016 and SARRC 20203 ▾S7 race best at Majors May 2016: 1:56.632 (Mark Miller)TTA race best at Majors @ Pacific Raceway: 1:46.900 (Darren Glaser)TTA qualifying best at Majors @ Pacific Raceway: 1:45.779 (Darren Glaser)SSM race best at Majors Apr 2016: 1:29.237 (Kevin Kopp)SSM qualifying best at Majors Apr 2016: 1:31.569 (Alan Olson)IT7 race best at Majors May 2016: 1:18.431 (Bill Meyer)IT7 race best at SARRC 2020: 1:53.468 (Alan Faver)IT7 qualifying best at Majors May 2016: 1:13.416 (Steven Burkett)IT7 qualifying best at SARRC 2020: 1:50.830 (Alan Faver)Summit Point Raceway · Majors Apr 2016Majors Apr2016Circuit of St. Louis (formerly Gateway Motorsports · Majors May 2016Majors May2016Pacific Raceways · Majors @ Pacific RacewayMajors @ Pacific Raceway2016Pueblo Motorsports Park · Majors May 2016Majors May2016Michelin Raceway Road Atlanta · SARRC 2020SARRC2020
S7TTASSMIT7solid race · dashed qualifying · slower is lower
100%3 rule changes between Majors May 2016 and SARRC 20203 ▾S7 race best at Majors May 2016: 100.0% of S7's (Mark Miller)Summit Point Raceway · Majors Apr 2016Majors Apr2016Circuit of St. Louis (formerly Gateway Motorsports · Majors May 2016Majors May2016Pacific Raceways · Majors @ Pacific RacewayMajors @ Pacific Raceway2016Pueblo Motorsports Park · Majors May 2016Majors May2016Michelin Raceway Road Atlanta · SARRC 2020SARRC2020
S7TTASSMIT7solid race · dashed qualifying · each class's best lap as a share of S7's at the same event (the reference class, changeable above); 100% is level, less is quicker, so up the chart is quicker
EventS7TTASSMIT7
Qual best Race best Trap Qual best Race best Trap vs S7 % of S7 Qual best Race best Trap vs S7 % of S7 Qual best Race best Trap vs S7 % of S7 
Michelin Raceway Road Atlanta SARRC 20202020-07-251:50.830Alan Faver · fastest of 21:53.468Alan Faver · fastest of 2106.4Martin Reiter
3 rule changes (IT7: 3)1 induction · 1 tyres & wheels · 1 weightshowhide
  • IT7 Cleanup 4.f Traction control #28609tyres & wheels
  • IT7 Request clarification 1999 Ford Escort ZX2 S?R #26966weight -45 lbs
  • IT7 Request clarification on 9.1.3 D1.A.2 #26237induction
Pueblo Motorsports Park Majors May 20162016-05-281:56.632Mark Miller · fastest of 4 · top 4 within 12.3s
No rule changes on record between these events
Pacific Raceways Majors @ Pacific Raceway2016-05-281:45.779Darren Glaser · only car1:46.900Darren Glaser · only car
No rule changes on record between these events
Circuit of St. Louis (formerly Gateway Motorsports Majors May 20162016-05-141:13.416Steven Burkett · fastest of 21:18.431Bill Meyer · only car
No rule changes on record between these events
Summit Point Raceway Majors Apr 20162016-04-291:31.569Alan Olson · fastest of 26 · top 5 within 1.9s1:29.237Kevin Kopp · fastest of 27 · top 5 within 0.3s

By track

TrackEvents Typical % of S7 Best Latest 
Circuit of St. Louis (formerly Gateway Motorsports10 of 1 with S7
Michelin Raceway Road Atlanta10 of 1 with S7
Pacific Raceways10 of 1 with S7
Pueblo Motorsports Park1100.0%100.0%Majors May 2016100.0%Majors May 2016
Summit Point Raceway10 of 1 with S7
About this data
Every event the class ran, at any track, oldest to newest on the chart and newest first in the table. Each point is the class's best lap as a share of S7's best on the same day: the weather and the day cancel out, so one figure compares across years where lap times cannot; a class that suits one track more than another still reads differently there. It still moves when the yardstick's own balance changes or its field thins, and an event the yardstick did not run has no point. A best from fewer than three cars is greyed. The rule changes that took effect between two events are folded between their rows.