BoP Lab / Buttonwillow Raceway Park
This track has been raced on 2 configurations (3.02 mi; 2.92 mi). Laps on different configurations are not comparable, so only events on the 3.02 mile layout are shown; switch above to see the others.
F5 has no laps in the events chosen. It ran at Super Tour Apr 2017: add that event.
SRF has no laps in the events chosen. It ran at Super Tour Apr 2017, Majors Apr 2016: add those events.
FM has no laps in the events chosen. It ran at Super Tour Apr 2019, Super Tour Apr 2018, Super Tour Apr 2017: add those events.
| Pos | Car | Driver | Class | # | Lap | Theoretical | Qual | Race | 5-lap stint | Consistency | Trap | S1 | S2 | S3 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Mazda 2 | Thomas Lepper | BSpc | 21, 114 | 2:15.276 F-R2 | 2:14.970 | 2:15.802 F-Q2 | 2:15.276 F-R2 | 2:15.907 F-R2 | +1.928 F-R2 | 95.1 F-R2 | 51.577 F-R2 | 40.069 F-R2 | 43.324 F-Q2 |
| 2 | Ford Fiesta | Fritz Wilke | BSpc | 84 | 2:15.347 F-R2 | 2:14.875 | 2:19.563 F-Q2 | 2:15.347 F-R2 | 2:16.025 F-R2 | +2.222 F-R2 | 95.8 F-R2 | 51.861 F-R2 | 40.002 F-R2 | 43.012 F-R2 |
| 3 | Mazda 2 | Ali Naimi | BSpc | 14 | 2:17.134 F-P | 2:16.554 | 2:17.424 F-Q1 | 2:17.653 F-R1 | 2:18.489 F-R1 | +1.421 F-R1 | 94.2 F-P | 52.345 F-R1 | 40.645 F-P | 43.564 F-R1 |
| Car | Class | Drivers | Lap | Qual | Race | Trap | S1 | S2 | S3 |
|---|---|---|---|---|---|---|---|---|---|
| Mazda 2 | BSpc | 2 | 2:15.276Thomas Lepper | 2:15.802Thomas Lepper | 2:15.276Thomas Lepper | 95.1Thomas Lepper | 51.577Thomas Lepper | 40.069Thomas Lepper | 43.324Thomas Lepper |
| Ford Fiesta | BSpc | 1 | 2:15.347Fritz Wilke | 2:19.563Fritz Wilke | 2:15.347Fritz Wilke | 95.8Fritz Wilke | 51.861Fritz Wilke | 40.002Fritz Wilke | 43.012Fritz Wilke |
No changes on record for these classes.
No changes on record for these classes.
#27028 from Robey Clark · Rule change · TB 19-07 (2019-07 Fastrack)
added · aeroSRF drivers may now use Dash Windscreen Kit P/N 1180103 or P/N 180102.In SRF, GCR section 9.1.8.E.1.V, add the following:
"ii. Dash Windscreen Kit, P/N 1180103 or P/N 180102, is allowed."
#27214 from Clint McMahan · Rule change · TB 19-09 (2019-09 Fastrack)
slower · weightF500 Honda CBR600RR, Suzuki GSXR600, and Yamaha R6 minimum weights increase to 900 lbs.In the F500 engine table, change the weight as follows:
Honda CBR600RR (03-13): "875 900"
In the F500 engine table, change the weight as follows:
Suzuki GSXR600 (03-13): "875 900"
In the F500 engine table, change the weight as follows:
Yamaha R6 (03-13): "875 900"
#27622 from Robey Clark · Rule change · TB 19-12 (2019-12 Fastrack)
tyres & wheelsSRF adds tire warmer prohibition and specifies Hoosier dry and wet tire part numbers.In SRF, GCR section 9.1.8.E.1.V.s delete section in its entirety as follows and re-letter as follows:
"It is forbidden to regroove tires."
In SRF, GCR section 9.1.8.E.1.X.f, add new sections as follows:
"Tires:
Dry:
Front – Hoosier P/N 46340 P185/60ZR13
Rear – Hoosier P/N 46350 P205/60ZR13 SRF
Wet:
Front – Hoosier P/N 46100 P185/60R13 H20
Rear – Hoosier P/N 46105 205/60R13 H20
1. It is forbidden to regroove tires.
2. The use of tire warmers or cooling methods other than natural air convection or conduction is
prohibited. The penalty for violation will be the loss of qualifying times and/or the disqualification of race
results."
#27706 from Robey Clark · Rule change · TB 19-12 (2019-12 Fastrack)
faster · weightSRF front nose weight minimum reduced from 35 to 32 lbs.In SRF, GCR section 9.1.8.E.1.E.a, change the minimum weight as follows:
"Front 35 32 lbs."
#27723 from Robey Clark · Rule change · TB 19-12 (2019-12 Fastrack)
wordingSRF2 becomes Regional Only; SRF3 nomenclature changed from GEN3 to Ford 1.6L conversion; SRF and SRF3 no longer compete together for points.In SRF, GCR section 9.1.8.E, make changes as follows:
"SPEC RACER FORD 3 (SRF/SRF3)"
In SRF, GCR section 9.1.8.E.1, make changes as follows:
"SPEC RACER FORD 2 (SRF) Regional Only Class"
In SRF, GCR section 9.1.8.E.2, make changes as follows:
"SPEC RACER FORD 3 (SRF3)"
In SRF, GCR section 9.1.8.E.2.A, make changes as follows:
"It is the intent of the SRF3, GEN3 a Ford 1.6L conversion, to update the current 1.9L SRF drivetrain for
class longevity. SRF and SRF3 shall compete side by side, for respective points and championships."
#34958 from Board of Directors · Rule change · TB 23-10 (2023-10 Fastrack)
wordingSRF rain and brake rule supersedes GCR 9.3.32.B.2 effective 1/1/2024 through 12/31/2024.In SRF, GCR section 9.1.8.D.1.W.l, change as follows as approved by BoD on 9/12/2023:
"This rule supersedes GCR section 9.3.32.B.2 effective 1/1/2024 through 12/31/2024."
#27883 from Formula/Sports Racing Committee · Rule change · TB 20-01 (2020-01 Fastrack)
slower · inductionF500 Honda CBR600RR, Suzuki GSXR600, Yamaha R6 restrictor reduced to 28mm from 29mm.In the F500 engine table, change the restrictor as follows:
Honda CBR600RR (03-13): "29 28mm Flat Plate Intake Restrictor"
In the F500 engine table, change the restrictor as follows:
Suzuki GSXR600 (03-13): "29 28mm Flat Plate Intake Restrictor"
In the F500 engine table, change the restrictor as follows:
Yamaha R6 (03-13): "29 28mm Flat Plate Intake Restrictor"
Table 1
Car Engine Wheel
Width (in)
± .060
Aero Transmission Weight Notes
USF2000
Tube
Frame
2.0 Liter
Mazda MZR
See notes See notes See notes See
notes
Car must comply with the 2012
Pro USF2000 rules. Competitors
must have the current rules in their
possession and present them upon
request. The following sections of
the 2012 Pro rules do not apply:
14.1.1 thru 14.1.4; 14.12.2 thru
14.12.13; 14.13.1; 14.13.2; 14.13.5;
14.18 in its entirety; 14.19 in its
entirety; 14.27 in its entirety; 13.34 in
its entirety
#27019 from Robey Clark · Rule change · TB 19-07 (2019-07 Fastrack)
wordingSRF Penske shock P/N 280396 bump stop P/N 280407 becomes mandatory, maximum one per shock, effective 05/01/2020.In SRF, GCR section 9.1.8.E.1.X.h, make changes as follows:
"Shock Absorbers: Penske shock P/N 280396 with spec valving shall be used as a sealed
assembly with no modification of any kind. If shock seals are damaged in any way, the
shock must be sent to an authorized SCCA Enterprises service center for verification and
resealing at the competitor’s cost. Beginning
05/01/2020 2019, the SCCA Enterprises bump rubber stop P/N 280407 may be used as
delivered with no modification of any kind; if used, maximum of one bump rubber stop per
shock. Effective 05/01/2020, only the SCCA bump stop P/N 280407 may be used as
delivered with no modification of any kind; if used, maximum of one bump stop per
shock.”
#28359 from Scott Thorp · Rule change · TB 20-07 (2020-08 Fastrack)
unclearF5 request to adjust external jetting device cockpit control denied; no rule change made.Thank you for your letter. After reviewing the response to the WDYT published in the May 2020 Fastrack
Minutes, the Club Racing Board does not recommend this change.
#28816 from Jim Murphy · Rule change · TB 20-07 (2020-08 Fastrack)
Thank you for your letter. Please see the response to letter #28359 in this Fastrack.
#28840 from Jay Novak · Rule change · TB 20-07 (2020-08 Fastrack)
unclearF5 driver adjustable carburettor mixture: refer to separate Fastrack letter #28359 for ruling.Thank you for your letter. Please see the response to letter #28359 in this Fastrack.
#28875 from Richard Schmidt · Rule change · TB 20-07 (2020-08 Fastrack)
unclearF5 cockpit adjustment request response published in Fastrack letter 28359.Thank you for your letter. Please see the response to letter #28359 in this Fastrack.
#29453 from Wiley McMahan · Rule change · TB 20-10 (2020-10 Fastrack)
added · engineF500 Suzuki GSXR600 engine years extended from 2003-2013 to 2003-2019.In the F500 engine table, update as follows:
"Suzuki GSXR600 (03-13 19)"
#29688 from Robey Clark · Rule change · TB 20-12 (2020-12 Fastrack)
otherSRF rear springs limited to P/N 280390 only, previous part numbers no longer allowed; ground clearance wording clarified.In SRF, GCR section 9.1.8.E.1.I, change as follows:
"NO MODIFICATIONS ALLOWED. Only SCCA Enterprises sealed Penske shocks P/N 280396 shall be used. Only front spring P/N
280387 or P/N RO28037 shall be used. Only rear spring P/N 280390 shall be used. Effective May 1, 2020, o Only the SCCA Bump
Stop P/N 280407 may be used, with no modification of any kind. Bump stops are optional. If used, only one bump stop per shock
is permitted."
"All shock absorbers must be sealed by SCCA Enterprises. Prior to sealing, the shock absorbers will shall be rebuilt
by SCCA Enterprises or its authorized rebuilders."
In SRF, GCR section 9.1.8.E.1.X, change as follows:
"c. Rear Springs: 412-429 lbs./in Enterprises P/N 280390 or previous Enterprises supplied part (ex.RO280388 or RO280389)."
"h. Shock Absorbers: Only the Penske shock P/N 280396 with spec valving shall be used as a sealed assembly, with no
modification of any kind. If shock seals are damaged in any way, the shock must be sent to an authorized SCCA Enterprises
service center for verification and resealing at the competitor’s cost. Effective May 1, 2020, o Only the SCCA Bump Stop P/N
280407 may be used, with no modification of any kind. Bump stops are optional. If used, only one bump stop per shock is
permitted."
"i. Ground Clearance: Minimum is 2.75 inches measured at the frame on the front and rear axle lines without driver, as raced."
What the rules allowed changed as listed; this does not say what any particular car ran.
Sectors are numbered in lap order from start/finish, whatever each event's timing called them; the loop names are SCCA timing's.