SRF SRF Dash Windscreen Kit
#27028 from Robey Clark · Rule change · TB 19-07 (2019-07 Fastrack)
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."
BoP Lab / Buttonwillow Raceway Park
This track has been raced on 2 configurations (19, 2.92 mi; 3.02 mi). Laps on different configurations are not comparable, so only events on the 2.92 mile layout are shown; switch above to see the others.
SRF has no laps in the events chosen. It ran at Super Tour Apr 2017, Majors Apr 2016: add those events.
Sectors are not comparable across all of these events. Sector times and the theoretical lap use Super Tour Apr 2019, Cal Club 2022 only. Super Tour Feb 2020 (sectors cut at different points) counts towards whole-lap times and trap speed only.
2 laps are left out as timing errors (far too short to be a lap of this track). The rest of those sessions, sectors included, is used.
| Pos | Car | Driver | Class | # | Lap | Theoretical | Qual | Race | 5-lap stint | Consistency | Trap | S1 | S2 | S3 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Star Mazda Formula Mazda | Bill Weaver | FX | 67 | 1:48.518 G-R2 | 1:52.321 G-Q1 | 1:48.518 G-R2 | 1:49.403 G-R2 | +1.492 G-R2 | 129.1 G-R2 | ||||
| 2 | Ligier JS F4 | Max Parker | FX | 11 | 1:48.641 E-Q1 | 1:48.312 | 1:48.641 E-Q1 | 1:49.461 E-R | 1:50.318 E-R1 | +1.596 E-R1 | 116.7 E-R | 40.056 E-Q2 | 33.162 E-Q1 | 35.094 E-Q1 |
| 3 | Star Formula Mazda | Steve Martin 2+ cars | FX | 74 | 1:49.320 G-Q1 | 1:49.320 G-Q1 | 1:50.308 G-R2 | 1:50.982 G-R2 | +1.236 G-R2 | 129.9 G-Q1, G-R2 | ||||
| 4 | Star Formula Mazda | Mike Anderson | FM | 42 | 1:49.409 H-R2 | 1:49.262 | 1:49.608 H-Q2 | 1:49.409 H-R2 | 1:49.718 H-R2 | +1.168 H-R2 | 121.2 H-Q2 | 42.153 H-R2 | 32.435 H-R2 | 34.674 H-R2 |
| 5 | Formula Mazda | Terrance Carraher 2+ cars | FX | 6, 06 | 1:51.206 E-Q2 | 1:51.206 | 1:51.206 E-Q2 | 1:52.257 E-R1 | 1:53.368 E-R1 | +2.405 E-R1 | 128.5 G-P | 41.666 E-Q2 | 33.730 E-Q2 | 35.810 E-Q2 |
| 6 | Formula Mazda | Steve Martin 2+ cars | FX | 74 | 1:52.004 G-P | 130.2 G-P | ||||||||
| 7 | Star Formula Mazda | Terrance Carraher 2+ cars | FX | 6 | 1:52.182 G-Q2 | 1:52.182 G-Q2 | 1:52.219 G-R2 | 1:53.469 G-R2 | +2.520 G-R2 | 128.8 G-Q2 | ||||
| 8 | Star Formula Mazda | Terrance Carraher 2+ cars | FM | 6 | 1:53.148 H-Q2 | 1:52.609 | 1:53.148 H-Q2 | 1:53.156 H-R2 | 1:54.268 H-R1 | +2.675 H-R1 | 118.4 H-P | 43.565 H-R2 | 33.435 H-Q2 | 35.609 H-R2 |
| 9 | Ligier JS F4 | David Schnell | FX | 1 | 1:53.699 E-Q2 | 1:53.300 | 1:53.699 E-Q2 | 1:54.108 E-R2 | 1:55.618 E-R2 | +3.689 E-R2 | 114.9 E-Q2 | 41.979 E-Q2 | 34.833 E-Q2 | 36.488 E-R2 |
| 10 | Star Formula Mazda | Bruce Semler 2+ cars | FX | 89 | 1:53.972 G-R2 | 1:54.065 G-Q2 | 1:53.972 G-R2 | 1:54.876 G-R2 | +1.314 G-R2 | 129.6 G-Q2 | ||||
| 11 | Star Formula Mazda | Tom Van Wie 2+ cars | FM | 23 | 1:54.307 H-R2 | 1:54.101 | 1:55.245 H-Q2 | 1:54.307 H-R2 | 1:56.086 H-R2 | +1.895 H-R2 | 118.2 H-P | 44.174 H-R2 | 33.641 H-Q2 | 36.286 H-R2 |
| 12 | Star Formula Mazda | Tom Van Wie 2+ cars | FX | 3 | 1:55.288 G-R2 | 1:56.003 G-Q1 | 1:55.288 G-R2 | 1:56.347 G-R2 | +1.726 G-R2 | 126.7 G-R2 | ||||
| 13 | Mazda Formula Mazda | Tom Van Wie 2+ cars | FX | 3 | 1:59.990 G-P | 126.7 G-P | ||||||||
| 14 | Mazda Formula | Bruce Semler 2+ cars | FX | 89 | 2:01.440 G-P | 125.4 G-P |
One row per driver and car (a driver who changed cars has a row for each). Each cell is that driver's best in that car across the selected events, with the session it was set in. Best 5-lap stint is the mean of the driver's quickest five consecutive race laps, and consistency is how far their median race lap sat behind their best in that race (small is a driver who does it every lap); both come from the race with the best stint. The fastest in each column is purple, and a car whose best lap is more than 115% of the fastest in its class is greyed (marked ">115%" beside the driver) and left out of the colour scale. Click a column to sort, a row to highlight it. Theoretical lap is the sum of the best sectors, whichever laps they came from, and never slower than the best lap (where a car's fastest laps were recorded without sector times, its best lap is used). The 115% mark is about the car's best lap only: a car whose best lap is within 115% of the fastest in its class is never marked. Greyed sectors with no theoretical lap mean the sector times on file do not add up to a believable lap. Letters refer to the events above; Q is qualifying, R a race.
Sectors
- S1 SF → IM1 1.00 mi
- S2 IM1 → IM3 1.00 mi
- S3 IM3 → SF 0.92 mi
- SPd IM2 → IM3 0.02 mi
Sectors are numbered in lap order from start/finish, whatever each event's timing called them; the loop names are SCCA timing's.
By car
| Car | Class | Drivers | Lap | Qual | Race | Trap | S1 | S2 | S3 |
|---|---|---|---|---|---|---|---|---|---|
| Star Formula Mazda | FM/FX | 6 | 1:48.518Bill Weaver | 1:49.320Steve Martin | 1:48.518Bill Weaver | 129.9Steve Martin | 42.153Mike Anderson | 32.435Mike Anderson | 34.674Mike Anderson |
| Star Mazda Formula Mazda | FX | 1 | 1:48.518Bill Weaver | 1:52.321Bill Weaver | 1:48.518Bill Weaver | 129.1Bill Weaver | |||
| Star Formula Mazda | FM/FX | 5 | 1:49.320Steve Martin | 1:49.320Steve Martin | 1:49.409Mike Anderson | 129.9Steve Martin | 42.153Mike Anderson | 32.435Mike Anderson | 34.674Mike Anderson |
| Ligier JS F4 | FX | 2 | 1:48.641Max Parker | 1:48.641Max Parker | 1:49.461Max Parker | 116.7Max Parker | 40.056Max Parker | 33.162Max Parker | 35.094Max Parker |
| Formula Mazda | FX | 4 | 1:51.206Terrance Carraher | 1:51.206Terrance Carraher | 1:52.257Terrance Carraher | 130.2Steve Martin | 41.666Terrance Carraher | 33.730Terrance Carraher | 35.810Terrance Carraher |
| Formula Mazda | FX | 2 | 1:51.206Terrance Carraher | 1:51.206Terrance Carraher | 1:52.257Terrance Carraher | 130.2Steve Martin | 41.666Terrance Carraher | 33.730Terrance Carraher | 35.810Terrance Carraher |
| Mazda Formula Mazda | FX | 1 | 1:59.990Tom Van Wie | 126.7Tom Van Wie | |||||
| Mazda Formula | FX | 1 | 2:01.440Bruce Semler | 125.4Bruce Semler |
The best any driver of each car managed across the selected events, with who set it. Spellings and model years of the same car are grouped; click a row marked ▸ to see each version. Grouping is worked out from the names, so tell us if two cars are wrongly merged or split.
Rule changes between these events
Super Tour Apr 2019 → Super Tour Feb 2020 2019-04-26 to 2020-02-21
SRF SRF Tire Warmer Rule
#27622 from Robey Clark · Rule change · TB 19-12 (2019-12 Fastrack)
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:
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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."
SRF SRF / SRF3 Nose Weight Reduction
#27706 from Robey Clark · Rule change · TB 19-12 (2019-12 Fastrack)
In SRF, GCR section 9.1.8.E.1.E.a, change the minimum weight as follows:
"Front 35 32 lbs."
SRF SRF / SRF3 Majors & Regional Class Updates
#27723 from Robey Clark · Rule change · TB 19-12 (2019-12 Fastrack)
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
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class longevity. SRF and SRF3 shall compete side by side, for respective points and championships."
SRF SRF Rain / Brake Rule - BoD approved as follows
#34958 from Board of Directors · Rule change · TB 23-10 (2023-10 Fastrack)
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."
FX Change to FX Table 1
#28322 from Club Racing Board · Rule change · TB 20-02 (2020-02 Fastrack)
In FX Table 1 Spec Line, change Pro Formula F 2000 Tube Frame notes as follows:
"Engine must be prepared to current FC rules. Except that ECU map and cams are unrestricted. An airrestrictor is not required."
In FX Table 1 Spec Line, change USF2000 Tube Frame notes as follows:
"Car must comply with FRP MAZDA MZR F2000 Technical Specifications (2018). Car must comply withthe 2012 Pro USF2000 rules. Competitors must have the current rules in their possession and presentthem 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
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entirety; 13.34 in its entirety."
Super Tour Feb 2020 → Cal Club 2021 2020-02-21 to 2021-02-19
FX Request to remove tire marking language from FM
#28415 from SCCA Staff · Rule change · TB 20-03 (2020-03 Fastrack)
In FX, Formula Mazda, add to the notes as follows:
"Marking tires is no longer required. Car must comply with all December 2019 GCR Formula Mazda
preparation rules found here: https://www.scca.com/downloads/48184-gcr-december-
2019/download."
FX Request to classify FSV in FX
#28057 from Mark Green · Rule change · TB 20-04 (2020-04 Fastrack)
In FX, GCR section 9.1.1.J.B, add the following:
"5. Ex-Pro Formula Super Vee - Shall comply with notes in Table 1."
In FX Table 1, classify the Ex-Pro Formula Super Vee as follows:
Table 1
Car Engine
Wheel
Width (in)
± .060
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Aero Transmission Weight Notes
A specification table follows in the original; it is not shown here.
FX Classify FormulaSPEED in FX
#28715 from Formula/Sports Racing Committee · Rule change · TB 20-04 (2020-04 Fastrack)
In FX, GCR section 9.1.1.J.B, add the following:
"6. FormulaSPEED - Shall comply with notes in Table 1"
In FX Table 1, classify the FormulaSPEED as follows:
In FA Table 2, remove FormulaSpeed2.0 (FS2.0) spec line in its entirety.
Table 1
Car Engine
Wheel
Width (in)
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± .060
Aero Transmission Weight Notes
A specification table follows in the original; it is not shown here.
SRF SRF Bump Stop Correction
#27019 from Robey Clark · Rule change · TB 19-07 (2019-07 Fastrack)
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
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delivered with no modification of any kind; if used, maximum of one bump stop per
shock.”
FX Request to be added to FX group
#28991 from Christopher Bologna · Rule change · TB 20-07 (2020-08 Fastrack)
Thank you for your letter. The Club Racing Board will consider adding a spec line to FX Table 1 for
Formula Ireland/Formula FX cars once the relevant specifications have been received. The
Formula/Sports Racing Committee will forward a list of the specifications to be supplied by the letter
writer through the CRB letter log system.
Not Recommended
FX Follow up to to Letter#28991 Request for FX classification
#29281 from Christopher Bologna · Rule change · TB 20-09 (2020-09 Fastrack)
In FX, GCR section 9.1.1.J.B, add the following:
"7. Formula Ireland / Formula FX - Shall comply with notes in Table 1"
In FX Table 1, classify the Formula Ireland / Formula FX as follows:
FX Update specifications for FormulaSPEED cars
#29674 from Formula/Sports Racing Committee · Rule change · TB 20-12 (2020-12 Fastrack)
In FX Table 1, FormulaSPEED (FS2.0) line, change the notes as follows:
"Must use sealed ECU map and sealed engine, FS2.0 sealed Ohlins TTX dampers, spec three-piece FS2.0 wheels with FS2.0 logo,
and spec FS2.0 intake manifold. No part of the car may be altered from FS2.0 original parts, except for repairs that do not affect
performance. World Speed Inc. must provide complete specifications by 04/30/2020. Car must comply with specifications found
here: https://www.scca.com/pages/technical-forms-and-downloads."
SRF SRF Shocks, Springs and Ride Height.
#29688 from Robey Clark · Rule change · TB 20-12 (2020-12 Fastrack)
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:
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"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."
FX Request for Car Classification to Compete in Formula X
#29933 from Doris Siebert · Rule change · TB 21-01 (2021-01 Fastrack)
In FX, GCR section 9.1.1.J.B, add the following:
"8. 2010–2017 Formula Renault 2.0 – Shall comply with notes in Table 1."
A specification table follows in the original; it is not shown here.
Cal Club 2021 → Cal Club 2022 2021-02-19 to 2022-02-17
SRF Mandatory identification:
#30223 from Robey Clark · Rule change · TB 21-03 (2021-03 Fastrack)
In SRF, GCR section 9.1.8.E.2.B, change as follows:
"Mandatory identification: "SRF3" near the side car numbers,. Approved (2) “Ford Performance” on each sideof the engine coverplus a Ford Blue Oval on the center of the Nose & (2) “Performance Electronics” on eachside of the tail. "Hoosier" logo (4) on
both sides front lower outer corners of the nose, and each side of the tail."
FX Classify the 2000-2009 Formula Renault 2.0 / Fran-Am 2000
#30460 from Formula/Sports Racing Committee · Rule change · TB 21-05 (2021-05 Fastrack)
TB: In FX, GCR section 9.1.1.J.B, add the following:
"9. 2000-2009 Formula Renault 2.0 / Fran-Am 2000 - Shall comply with notes in Table 1."
In FX Table 1, classify the 2000-2009 Formula Renault 2.0 / Fran-Am 2000 as follows:butterfly shaft. All intake air shall pass through the required restrictors andthe throttle body or carburetor body. Intake manifold for eithercarburetion or injection shall have individual runners connecting onethrottle plate to one rotor, only. No balance tubes or other device shallconnect runners between rotors.
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G.Mazda 13BStreetportRotary n/a n/aOne (1) 2-bbl auto-type carb or throttle body. Intake manifold shall haveindividual runners connecting one throttle plate/butterfly to one rotor,only. No balance tubes or other devices shall connect runners betweenrotors.44mm 1230H. Mazda 13BRotary NA NA Peripheral Port 36mm SIR 1230I. E.FordDuratec/
Mazda MZR/
Ford Duratec
1615 4 2.0L engine destroked to 1615cc n/a 1175J. F.FordDuratec/
Mazda MZR/
Ford Duratec
2296 4 Maximum compression permitted 14.0:1 30mm SIR 1375
A specification table follows in the original; it is not shown here.
SRF SRF3 Alternator Pulley
#30684 from Robey Clark · Rule change · TB 21-06 (2021-06 Fastrack)
In SRF, GCR section 9.1.8.E.2.H.17, add the following:
"Alternator Pulley: P/N G902130 or P/N G902130A. 12oz minimum weight"
FX FX/FRP Tire Rule
#30723 from SCCA Staff · Rule change · TB 21-06 (2021-06 Fastrack)
In FX Table 1, USF2000 Tube Frame spec line, change the notes as follows:
"Car must comply with FRP MAZDA MZR F2000 Technical Specifications (2018) except that any Hoosier radial tire measuring 20.5
x 7.0 x 13 (front) and 22.5.x 8.0 x 13 (rear) may be used."
SRF SRF Wet Tires
#30849 from Robey Clark · Rule change · TB 21-08 (2021-08 Fastrack)
In SRF, GCR section 9.1.8.E.1.X.f, make changes as follows:
"Dry:
Front – Hoosier P/N 46340 P185/60ZR13 SRF
Rear – Hoosier P/N 46350 P205/60ZR13 SRF
Wet:
Front – Hoosier P/N 46100 P185/60R13 H20
Rear – Hoosier P/N 46105 P205/60R13 H20
or
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Front – Hoosier P/N 46100 P185/60R13 W2 (effective Oct. 4, 2021)
Rear – Hoosier P/N 46105 P205/60R13 W2 (effective Oct. 4, 2021)"
SRF SADEV-SRF3 Transmission
#30926 from Robey Clark · Rule change · TB 21-08 (2021-08 Fastrack)
In SRF, GCR section 9.1.8.E.2.K, make changes to gear ratios as follows:
"Gear Ratios:
Ford/Mazda OEM 5-Speed:
1st 3.42 : 1
2nd 1.84 : 1
3rd 1.29 : 1
4th 0.97 : 1
5th 0.77 : 1
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Final Drive Ratio: 3.85
OR
SADEV-SRF3 6-Speed Sequential (beginning Oct. 4, 2021):
A specification table follows in the original; it is not shown here.
FX Rules Adjustment
#30950 from Robert Wright · Rule change · TB 21-08 (2021-08 Fastrack)
In FX Table 1, USF2000 Tube Frame spec line, change the notes as follows:
"Car must comply with FRP MAZDA MZR F2000 Technical Specifications (2018) found here,
https://www.scca.com/pages/technical-forms-and-downloads, with the following exceptions. except that a Any Hoosier radial
tire measuring 20.5 x 7.0 x 13 (front) and 22.5.x 8.0 x 13 (rear) may be used. Spec sealed Dynamics 1640 shock absorbers may be
replaced with any shock absorber that complies with the current FC rules. Spec PFC brakes may be replaced with Wilwood
Calipers No. 120-13863-N (right) and No. 120-13864-N (left) and Wilwood Pad No. 150-14781K. Spec Mazda spark plugs may be
replaced with Bosch spark plug Part No. F 000 KEO P45 7ZB."
SRF SRF Update Maintenance, Repairs and Seals
#30961 from Robey Clark · Rule change · TB 21-08 (2021-08 Fastrack)
In SRF, GCR section 9.1.8.E.1.C, make changes as follows:
"If any official Enterprises seal is broken, by an Enterprises Customer Service Rep. (CSR) emergency field repair, accident, or
intent, the procedures outlined under C.20., section S shall be followed. Parts with an Enterprises part number having the prefix
"10" are considered to be unrestricted, providing provided their dimensions are comparable."
In SRF, GCR section 9.1.8.E.1.S, make changes as follows:
"SCCA Enterprises' seals on engine are required for all races must be present on driveline components in designated locations for
all SCCA sanctioned events. Any competitor who runs participates in an event without all proper engine seals in the requiredlocations shall have his engine removed and shipped to Enterprises for testing and sealing after that event must remove his
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unsealed component and it must be inspected by a Customer Service Rep. (CSR) or Enterprises. Notation shall be made in the
vehicle logbook and seals checked prior to the next event. The competitor will be responsible for all cost incurred by this
procedure. regardless of the findings, and If the component is found to be out of specification, the competitor is subject to
penalty by the SOM if engine is found to be not as specified."
"SCCA Enterprises' seals are required on all SPEC RACER FORD engines and transmissions."
SRF Three Updates to SRF Rules
#31523 from Robey Clark · Rule change · TB 21-12 (2021-12 Fastrack)
In SRF, GCR section 9.1.8.E.1.X.f, change as follows:
"Wet:
Front – Hoosier P/N 46100 P185/60R13 H20
Rear – Hoosier P/N 46105 P205/60R13 H20
Ground clearance is 2.5" with driver as raced when H20 tires are used.
or
Front – Hoosier P/N 46100 P185/60 65R13 W2 (effective Oct. 4, 2021)
Rear – Hoosier P/N 46105 P205/60R13 W2 (effective Oct. 4, 2021)"
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In SRF, GCR section 9.1.8.E.2.H.24, change as follows:
"Air Box: P/N G592230 Mandatory unmodified As delivered, except as noted under body work, Air Box floor vent must remain
open and un-obstructed."
In SRF, GCR section 9.1.8.E.2.H, add a new section as follows:
"25. SRF3 Restrictor plate: P/N G301048 As delivered, installed between throttle body and intake manifold. Mandatory Jan. 1,
A specification table follows in the original; it is not shown here.
FX FM Rule Set Clarification
#31881 from Moses Smith · Rule change · TB 22-02 (2022-02 Fastrack)
In FX, GCR section 9.1.1.J.B.1, change as follows:
"Formula Mazda – Shall comply with GCR 9.1.1.E (2019) notes in Table 1."
In FX Table 1, Formula Mazda spec line, change the notes as follows:
"Marking tires is no longer required. Car must comply with all December2019 GCR Formula Mazda preparationrules specifications found here: https://www.scca.com/downloads/48184-gcr-december-2019/download FormulaMazda-FM-
Rules."
**Attach new document to site link.**
FX E&O F4 Tires
#31940 from Formula/Sports Racing Committee · Rule change · TB 22-02 (2022-02 Fastrack)
In FX, GCR section 9.1.1.J.B.2, add the following:
"Formula 4 – Shall comply with FIA Formula 4 Technical Regulations (2015) and all subsequent safety requirements as issued by
the FIA and/or SCCA, except that tire choice is unrestricted."
In FX Table 1, FIA Certified F4 spec line, change the notes as follows:
"Upon request, competitors must provide a copy of the rules in effect when the car was certified by the FIA. Tire choice is
unrestricted."
FX E&O USF2000 Tube Frame
#31951 from Formula/Sports Racing Committee · Rule change · TB 22-02 (2022-02 Fastrack)
In FX Table 1, USF2000 Tube Frame spec line, change the notes as follows:
"Any Hoosier radial tire measuring 20.5 x 7.0 x 13 (front) and 22.5. x 8.0 x 13 or 22.0 x 8.0 x 13 (rear) may be used."
FX URGENT - FX- Formula Renault Tire
#32058 from Cody Towns · Rule change · TB 22-02 (2022-02 Fastrack)
In FX Table 1, Formula Renault 2.0 (10-17) spec line, add the following:
"The following exceptions apply: Tire choice is unrestricted. No part of the car may be altered from original Formula Renault 2.0
components, except for necessary repairs that do not affect performance."
In FX Table 1, Formula Renault 2.0 (00-09)/Fran-Am 2000 spec line, add the following:
"The following exceptions apply: Tire choice is unrestricted. No part of the car may be altered from original Formula Renault 2.0
components, except for necessary repairs that do not affect performance."
What the rules allowed changed as listed; this does not say what any particular car ran.