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BoP Lab / Sebring International Raceway

AS vs SM vs FM vs SRF pace at Sebring International Raceway

Class · click a class to switch, + to compare alongside (up to 4: remove one to add another)
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: AS 2:24.399 Thomas Ellis, Central Florida Region Hoosier SCCA Super Tour @ Sebring International Raceway qualifying · SM 2:33.433 Preston Pardus, Central Florida Region Hoosier SCCA Super Tour @ Sebring International Raceway qualifying · FM 2:17.409 Karl Markey, Hoosier SCCA Super Tour (Central Florida Region) qualifying

2:202:252:302:3513 rule changes between Hoosier SCCA Super Tour (Central Florida Region) and Central Florida Region Hoosier SCCA Super Tour @ Sebring International Raceway13 ▾47 rule changes between Central Florida Region Hoosier SCCA Super Tour @ Sebring International Raceway and Central Florida Region Hoosier SCCA Super Tour @ Sebring International Raceway47 ▾7 rule changes between Central Florida Region Hoosier SCCA Super Tour @ Sebring International Raceway and Central Florida Region Hoosier SCCA Super Tour @ Sebring International Raceway7 ▾AS race best at Hoosier SCCA Super Tour (Central Florida Region): 2:30.715 (Thomas Ellis)AS race best at Central Florida Region Hoosier SCCA Super Tour @ Sebring International Raceway: 2:25.519 (John Heinricy)AS race best at Central Florida Region Hoosier SCCA Super Tour @ Sebring International Raceway: 2:28.026 (Thomas West)AS race best at Central Florida Region Hoosier SCCA Super Tour @ Sebring International Raceway: 2:27.384 (Lee Saunders)AS qualifying best at Hoosier SCCA Super Tour (Central Florida Region): 2:28.230 (Thomas Ellis)AS qualifying best at Central Florida Region Hoosier SCCA Super Tour @ Sebring International Raceway: 2:24.399 (Thomas Ellis)AS qualifying best at Central Florida Region Hoosier SCCA Super Tour @ Sebring International Raceway: 2:33.530 (Thomas West)AS qualifying best at Central Florida Region Hoosier SCCA Super Tour @ Sebring International Raceway: 2:32.255 (Morey C Doyle)SM race best at Hoosier SCCA Super Tour (Central Florida Region): 2:35.965 (Jim Drago)SM race best at Central Florida Region Hoosier SCCA Super Tour @ Sebring International Raceway: 2:36.243 (Jim Drago)SM race best at Central Florida Region Hoosier SCCA Super Tour @ Sebring International Raceway: 2:35.235 (Thomas Annunziata)SM race best at Central Florida Region Hoosier SCCA Super Tour @ Sebring International Raceway: 2:33.954 (Axel Cabrera)SM qualifying best at Hoosier SCCA Super Tour (Central Florida Region): 2:34.601 (Preston Pardus)SM qualifying best at Central Florida Region Hoosier SCCA Super Tour @ Sebring International Raceway: 2:35.330 (Jim Drago)SM qualifying best at Central Florida Region Hoosier SCCA Super Tour @ Sebring International Raceway: 2:33.433 (Preston Pardus)SM qualifying best at Central Florida Region Hoosier SCCA Super Tour @ Sebring International Raceway: 2:36.586 (Tyler Gonzalez)FM race best at Hoosier SCCA Super Tour (Central Florida Region): 2:18.792 (Karl Markey)FM qualifying best at Hoosier SCCA Super Tour (Central Florida Region): 2:17.409 (Karl Markey)Hoosier SCCA Super Tour (Central Florida Region)2019Central Florida Region Hoosier SCCA Super Tour @ Sebring International Raceway2020Central Florida Region Hoosier SCCA Super Tour @ Sebring International Raceway2022Central Florida Region Hoosier SCCA Super Tour @ Sebring International Raceway2023
ASSMFMSRFsolid race · dashed qualifying · slower is lower
92%94%96%98%100%102%104%106%108%13 rule changes between Hoosier SCCA Super Tour (Central Florida Region) and Central Florida Region Hoosier SCCA Super Tour @ Sebring International Raceway13 ▾47 rule changes between Central Florida Region Hoosier SCCA Super Tour @ Sebring International Raceway and Central Florida Region Hoosier SCCA Super Tour @ Sebring International Raceway47 ▾7 rule changes between Central Florida Region Hoosier SCCA Super Tour @ Sebring International Raceway and Central Florida Region Hoosier SCCA Super Tour @ Sebring International Raceway7 ▾AS race best at Hoosier SCCA Super Tour (Central Florida Region): 100.0% of AS's (Thomas Ellis)AS race best at Central Florida Region Hoosier SCCA Super Tour @ Sebring International Raceway: 100.0% of AS's (John Heinricy)AS race best at Central Florida Region Hoosier SCCA Super Tour @ Sebring International Raceway: 100.0% of AS's (Thomas West)AS race best at Central Florida Region Hoosier SCCA Super Tour @ Sebring International Raceway: 100.0% of AS's (Lee Saunders)AS qualifying best at Hoosier SCCA Super Tour (Central Florida Region): 100.0% of AS's (Thomas Ellis)AS qualifying best at Central Florida Region Hoosier SCCA Super Tour @ Sebring International Raceway: 100.0% of AS's (Thomas Ellis)AS qualifying best at Central Florida Region Hoosier SCCA Super Tour @ Sebring International Raceway: 100.0% of AS's (Thomas West)AS qualifying best at Central Florida Region Hoosier SCCA Super Tour @ Sebring International Raceway: 100.0% of AS's (Morey C Doyle)SM race best at Hoosier SCCA Super Tour (Central Florida Region): 103.5% of AS's (Jim Drago)SM race best at Central Florida Region Hoosier SCCA Super Tour @ Sebring International Raceway: 107.4% of AS's (Jim Drago)SM race best at Central Florida Region Hoosier SCCA Super Tour @ Sebring International Raceway: 104.9% of AS's (Thomas Annunziata)SM race best at Central Florida Region Hoosier SCCA Super Tour @ Sebring International Raceway: 104.5% of AS's (Axel Cabrera)SM qualifying best at Hoosier SCCA Super Tour (Central Florida Region): 104.3% of AS's (Preston Pardus)SM qualifying best at Central Florida Region Hoosier SCCA Super Tour @ Sebring International Raceway: 107.6% of AS's (Jim Drago)SM qualifying best at Central Florida Region Hoosier SCCA Super Tour @ Sebring International Raceway: 99.9% of AS's (Preston Pardus)SM qualifying best at Central Florida Region Hoosier SCCA Super Tour @ Sebring International Raceway: 102.8% of AS's (Tyler Gonzalez)FM race best at Hoosier SCCA Super Tour (Central Florida Region): 92.1% of AS's (Karl Markey)FM qualifying best at Hoosier SCCA Super Tour (Central Florida Region): 92.7% of AS's (Karl Markey)Hoosier SCCA Super Tour (Central Florida Region)2019Central Florida Region Hoosier SCCA Super Tour @ Sebring International Raceway2020Central Florida Region Hoosier SCCA Super Tour @ Sebring International Raceway2022Central Florida Region Hoosier SCCA Super Tour @ Sebring International Raceway2023
ASSMFMSRFsolid race · dashed qualifying · each class's best lap as a share of AS's at the same event (the reference class, changeable above); 100% is level, higher is quicker
EventASSMFMSRF
Qual bestRace bestTrapQual bestRace bestTrapvs AS% of ASQual bestRace bestTrapvs AS% of ASQual bestRace bestTrapvs AS% of AS
Central Florida Region Hoosier SCCA Super Tour @ Sebring International Raceway ST23JAN132023-01-132:32.255Morey C Doyle · fastest of 2-1.275s (-0.83%)2:27.384Lee Saunders · fastest of 3 · top 3 within 10.0s-0.642s (-0.43%)126.8Lee Saunders-0.2 mph (-0.2%)2:36.586Tyler Gonzalez · fastest of 87 · top 5 within 0.1s+3.153s (+2.05%)2:33.954Axel Cabrera · fastest of 87 · top 5 within 0.4s-1.281s (-0.83%)109.8Stuart Mcaleer-1.5 mph (-1.3%)+6.570squal +4.331s104.5%qual 102.8%
7 rule changes (AS: 3, SM: 2, SRF: 2)2 weight · 1 suspension & brakes · 1 tyres & wheels · 3 wording · SM Mazda MX-5 Miata 01-05 weight increases to 2450 lbs, or 2465 with alternate bore. · AS allows Hoosier W2 tyre option in addition to R7, R6, WET/H20. · AS Dodge Challenger 08-20 adds two transmission ratio options: 2.97, 2.10, 1.45, 1.00, 0.74, 0.50 or 2.26, 1.58, 1.19, 1.00, 0.77, 0.63. · AS Cadillac CTS-V 6.0L V8 removes 50 lbs weight penalty for 295 tire size. · SRF tire rule wording changed from 'Tires: must be run as delivered' to 'Tires must be run as delivered.' · SRF brake rotor minimum thickness reduced from 13.25 to 12.20mm; seal and air filter rules clarified. · SM Majors must run authorized Penske shock and mount; Regional competitors' requirement eligibility clarified.showhide
  • SM BOP for NB1 and NB2 #32309weightslowerSM Mazda MX-5 Miata 01-05 weight increases to 2450 lbs, or 2465 with alternate bore.
  • AS Request to add Hoosier W2 #33031tyres & wheelstyres & wheelsAS allows Hoosier W2 tyre option in addition to R7, R6, WET/H20.
  • AS correction of Dodge Challenger specification line #33151wordingwordingAS Dodge Challenger 08-20 adds two transmission ratio options: 2.97, 2.10, 1.45, 1.00, 0.74, 0.50 or 2.26, 1.58, 1.19, 1.00, 0.77, 0.63.
  • AS Request CTS-V Spec Line Error Correction #30242weightfasterAS Cadillac CTS-V 6.0L V8 removes 50 lbs weight penalty for 295 tire size.
  • SRF SRF Tire Rule Update #32614wordingwordingSRF tire rule wording changed from 'Tires: must be run as delivered' to 'Tires must be run as delivered.'
  • SRF Brake, seal, and air filter clarifications #32670suspension & brakesfasterSRF brake rotor minimum thickness reduced from 13.25 to 12.20mm; seal and air filter rules clarified.
  • SM Update GCR Section 9.1.7.3.A.1. #32217wordingwordingSM Majors must run authorized Penske shock and mount; Regional competitors' requirement eligibility clarified.
Central Florida Region Hoosier SCCA Super Tour @ Sebring International Raceway ST22JAN142022-01-142:33.530Thomas West · fastest of 3 · top 3 within 25.3s+9.131s (+6.32%)2:28.026Thomas West · fastest of 3 · top 3 within 5.9s+2.507s (+1.72%)127.0Thomas West-2.4 mph (-1.8%)2:33.433Preston Pardus · fastest of 80 · top 5 within 0.6s-1.897s (-1.22%)2:35.235Thomas Annunziata · fastest of 78 · top 5 within 0.5s-1.008s (-0.65%)111.3Michael Cohen-1.8 mph (-1.6%)+7.209squal -0.097s104.9%qual 99.9%
47 rule changes (AS: 36, SM: 3, SRF: 8)8 weight · 6 engine · 6 suspension & brakes · 5 cars added · 4 tyres & wheels · 17 wording · 1 other · SMG long tube headers: Borla PN 17237 discontinued, Kooks PN 11312000 and American Racing PN MT3-05134300LSNC approved alternatives. · AS Mercury Capri (79-86) removed as individual spec line, merged into Ford Mustang (79-93) spec line. · AS Spec Mustang SMG loses 3.73 gear ratio and 355/300 mm brake specification. · AS Chevrolet, Pontiac, Ford full prep engines now permit alternate cylinder heads with restrictor plate ALL26180 and 1.250 inserts ALL26186 for regional competition. · SRF front wet tire changes from P185/60R13 H20 to P185/65R13 W2; SRF3 adds mandatory G301048 restrictor plate Jan. 1, 2022. · AS Chevrolet/Pontiac Camaro & Firebird 93-02 now allow BMR AA004 or UMI 2310 adjustable front upper control arms. · AS Pontiac GTO 04-06 LS1 to 3300 lbs, LS2 to 3350 lbs on 295 tire. · SRF wet tyres add Hoosier P185/60R13 W2 front and P205/60R13 W2 rear as alternatives to H20. · SRF adds SADEV-SRF3 6-speed sequential option with final drive 3.20 versus OEM 5-speed 3.85. · SRF seal procedures clarified: unsealed components need CSR inspection and logbook notation instead of engine removal. · AS Cadillac CTS-V 6.0L V8 removes 50 lbs tire size penalty, making it lighter. · AS consolidates seven SN95 Mustang spec lines into three: 94-04 including Cobra, 94-95 5.0/5.8, and 96-04 4.6L two/four valve. · AS Camaro/Firebird LT1/LS1 transmission code changes to 6362; Mustang GT 4.6L/5spd changes to 5.0L/6spd with 300 lbs weight reduction. · AS Camaro/Firebird and Mustang GT gear ratio specifications restored with alternate sets permitted. · AS Chevrolet Camaro & Firebird, Ford Mustang variants, Mercury Capri minimum weights increase 50 lbs across all model years. · SRF3 alternator pulley restricted to P/N G902130 or G902130A, 12oz minimum weight. · SM adds procedures for testing obsolete part replacements and BOP updates in sanctioned events with CRB approval. · AS Mustang 4.6L/5spd loses 300 lbs; 5.0L/6spd gains 56mm restrictor requirement. · AS CTS-V LS6 and LS2 may now use Driveshaft Shop carbon fiber driveshaft for durability. · AS Chevrolet Camaro SS V8 6.2L model years extended from 10-13 to 10-15. · SRF and SRF3 mandatory identification simplified: removed Ford Performance and Blue Oval decals, kept Hoosier logo placement. · Ford Mustang GT 5.0L 15-17 Restricted Preparation classified in AS with 55mm flat plate restrictor required. · AS underhood bracing on stock hoods, trunks, and rear decks may be modified or removed. · AS Cadillac CTS-V 04-07 with 295 tire drops to 3450 lbs; Camaro SS V8 10-13 275 tire removed; Challenger 08-20 gains 315 tire option at 3600 lbs. · AS Camaro & Firebird (93-02) and Mustang GT (05-14) specifications restored with 200 lb weight reduction for permitted heads. · AS Dodge Challenger 08-20 gains 6.1L and 6.4L V8 options; 5.7L weight rises to 3500 lbs on 295 tyres, 3600 on 315 tyres. · AS Camaro/Firebird (93-02) and Mustang Coupe GT (05-14) consolidated into single specs with 100 lb and 300 lb weight reductions respectively. · SRF shocks, springs, bump stops sealed; rear springs 412-429 lbs/in P/N 280390 only; previous parts no longer allowed. · SM aftermarket radiators must mount in original location, maintain core plane, require no body modifications, block openings, keep one OEM fan in stock location; 1990-1997 cars may install upper radiator seal NA75-50-OK7A. · AS Dodge Challenger 5.7L V8 gets iron block requirement, 10.5:1 compression max, intake valve 12.7 mm, exhaust 12.3 mm, intake duration 188°, exhaust duration 205°. · AS Dodge Challenger 08-14 rear spoiler part number changes from 1GL20RXF to 1GL20TZZAB. · SM rear brake calipers may use single bracket under upper retaining bolt to prevent pin failure. · AS class pursues specified list of eligible tires; details of tire changes not provided in letter. · AS class pursuing specified list of eligible tires; details pending further communication. · No restrictor plate change implemented; 2021 AS Mustang Coyote under evaluation. · AS 2005-2009 Restricted Prep 4.6 3V now permits conversion to 2 valve configuration. · AS Ford Mustang Coupe GT 4.6L 3V Restricted Prep now permits Ford Performance camshaft kit P/N-M-6550-3V. · 2010-2014 Camaro reclassified to AS; full preparation classification approved effective 2020-07-01. · AS class cylinder head replacement options under review; implementation planned for 2021 season. · AS Mustang, Camaro, Firebird, Capri max brake rotor diameter increases from 12.2 to 13.1 inches. · AS rotor diameter increase approved; see Fastrack letter #28748 for details. · AS Chevrolet/Pontiac Camaro & Firebird (82-92) loses 50 lbs, to 3500. · SRF shock absorber bump stop clarified: only SCCA P/N 280407 allowed as delivered, maximum one per shock, effective 05/01/2020. · AS rear trailing arms may be replaced with tubular arms maintaining stock length and axle location purpose only. · AS Ford and GM full-prep cars get 200 lb weight reduction, up from 150 lb. · 05-10 Ford Mustang Coupe GT 4.6L OHC classified AS with 3200 lbs minimum weight, HR cam restricted prep. · AS 10-15 Chevrolet Camaro Full Prep classified with 3400 lbs base weight, over 313 CID engine 3700 lbs maximum.showhide
  • AS Proposed Revisions to SCCA GCR 2021 Appendix M, Part 3 #30295wordingwordingSMG long tube headers: Borla PN 17237 discontinued, Kooks PN 11312000 and American Racing PN MT3-05134300LSNC approved alternatives.
  • AS specification line consolidation and correction #31846wordingwordingAS Mercury Capri (79-86) removed as individual spec line, merged into Ford Mustang (79-93) spec line.
  • AS correction of SMG specification line #31847wordingunclearAS Spec Mustang SMG loses 3.73 gear ratio and 355/300 mm brake specification.
  • AS Alternate cylinder heads for full prep engine builds - Evaluation #31851engineunclearAS Chevrolet, Pontiac, Ford full prep engines now permit alternate cylinder heads with restrictor plate ALL26180 and 1.250 inserts ALL26186 for regional competition.
  • SRF Three Updates to SRF Rules #31523tyres & wheelsunclearSRF front wet tire changes from P185/60R13 H20 to P185/65R13 W2; SRF3 adds mandatory G301048 restrictor plate Jan. 1, 2022.
  • AS Request for adjustable Front Upper Control Arms on 4th Gen F-Body #30457suspension & brakessuspension & brakesAS Chevrolet/Pontiac Camaro & Firebird 93-02 now allow BMR AA004 or UMI 2310 adjustable front upper control arms.
  • AS Request Pontiac GTO tire size change #30881weightslowerAS Pontiac GTO 04-06 LS1 to 3300 lbs, LS2 to 3350 lbs on 295 tire.
  • SRF SRF Wet Tires #30849tyres & wheelstyres & wheelsSRF wet tyres add Hoosier P185/60R13 W2 front and P205/60R13 W2 rear as alternatives to H20.
  • SRF SADEV-SRF3 Transmission #30926cars addedunclearSRF adds SADEV-SRF3 6-speed sequential option with final drive 3.20 versus OEM 5-speed 3.85.
  • SRF SRF Update Maintenance, Repairs and Seals #30961wordingwordingSRF seal procedures clarified: unsealed components need CSR inspection and logbook notation instead of engine removal.
  • AS Request CTS-V Spec Line Error Correction #30242weightfasterAS Cadillac CTS-V 6.0L V8 removes 50 lbs tire size penalty, making it lighter.
  • AS Request to consolidate SN95 Mustang '94-'04 Mustang spec lines #30428wordingwordingAS consolidates seven SN95 Mustang spec lines into three: 94-04 including Cobra, 94-95 5.0/5.8, and 96-04 4.6L two/four valve.
  • AS American Sedan Transmission Rule Change Request #30595enginefasterAS Camaro/Firebird LT1/LS1 transmission code changes to 6362; Mustang GT 4.6L/5spd changes to 5.0L/6spd with 300 lbs weight reduction.
  • AS Correction to specifications inadvertently deleted #30691wordingwordingAS Camaro/Firebird and Mustang GT gear ratio specifications restored with alternate sets permitted.
  • AS weight adjustments #30700weight +50 lbsslowerAS Chevrolet Camaro & Firebird, Ford Mustang variants, Mercury Capri minimum weights increase 50 lbs across all model years.
  • SRF SRF3 Alternator Pulley #30684engineslowerSRF3 alternator pulley restricted to P/N G902130 or G902130A, 12oz minimum weight.
  • SM Updates - Obsolete Parts & BOP Parts #30438wordingwordingSM adds procedures for testing obsolete part replacements and BOP updates in sanctioned events with CRB approval.
  • AS AS Mustang LP 4.6 3V Classification Transmission Request #29886weightfasterAS Mustang 4.6L/5spd loses 300 lbs; 5.0L/6spd gains 56mm restrictor requirement.
  • AS Request CF driveshaft on CTS-V for durability improvement #30117otherotherAS CTS-V LS6 and LS2 may now use Driveshaft Shop carbon fiber driveshaft for durability.
  • AS Adjustment to model years of 5th generation RP Camaro #30348wordingwordingAS Chevrolet Camaro SS V8 6.2L model years extended from 10-13 to 10-15.
  • SRF Mandatory identification: #30223wordingwordingSRF and SRF3 mandatory identification simplified: removed Ford Performance and Blue Oval decals, kept Hoosier logo placement.
  • AS Request for 2015 -2017 Ford Mustang Spec Line #29514cars addedcars addedFord Mustang GT 5.0L 15-17 Restricted Preparation classified in AS with 55mm flat plate restrictor required.
  • AS Request Trunk lid / Rear Hatch clarification #29591wordingwordingAS underhood bracing on stock hoods, trunks, and rear decks may be modified or removed.
  • AS Common Weight for CTS-V Tire #29759weightfasterAS Cadillac CTS-V 04-07 with 295 tire drops to 3450 lbs; Camaro SS V8 10-13 275 tire removed; Challenger 08-20 gains 315 tire option at 3600 lbs.
  • AS Correction to specifications inadvertently deleted #30041weightfasterAS Camaro & Firebird (93-02) and Mustang GT (05-14) specifications restored with 200 lb weight reduction for permitted heads.
  • AS Request Additional Engine Options for Dodge Challenger Spec Line #29543engineslowerAS Dodge Challenger 08-20 gains 6.1L and 6.4L V8 options; 5.7L weight rises to 3500 lbs on 295 tyres, 3600 on 315 tyres.
  • AS Rule simplification spec line communization #29824wordingfasterAS Camaro/Firebird (93-02) and Mustang Coupe GT (05-14) consolidated into single specs with 100 lb and 300 lb weight reductions respectively.
  • SRF SRF Shocks, Springs and Ride Height. #29688suspension & brakessuspension & brakesSRF shocks, springs, bump stops sealed; rear springs 412-429 lbs/in P/N 280390 only; previous parts no longer allowed.
  • SM Radiator E&O Clarifications #29294wordingwordingSM aftermarket radiators must mount in original location, maintain core plane, require no body modifications, block openings, keep one OEM fan in stock location; 1990-1997 cars may install upper radiator seal NA75-50-OK7A.
  • AS Dodge Challenger AS Spec Line Clarification #28698engineslowerAS Dodge Challenger 5.7L V8 gets iron block requirement, 10.5:1 compression max, intake valve 12.7 mm, exhaust 12.3 mm, intake duration 188°, exhaust duration 205°.
  • AS Dodge Challenger AS Spec Line Clarification #2 #28699wordingwordingAS Dodge Challenger 08-14 rear spoiler part number changes from 1GL20RXF to 1GL20TZZAB.
  • SM Modifications to prevent failures of Rear Brake Caliper Pin #28953suspension & brakessuspension & brakesSM rear brake calipers may use single bracket under upper retaining bolt to prevent pin failure.
  • AS Support for R-Type Specification Tires #27450tyres & wheelsunclearAS class pursues specified list of eligible tires; details of tire changes not provided in letter.
  • AS Spec Tire Request #27519tyres & wheelsunclearAS class pursuing specified list of eligible tires; details pending further communication.
  • AS Restrictor Plate Change for RP 2011+ Mustang with Coyote Engine #27675wordingunclearNo restrictor plate change implemented; 2021 AS Mustang Coyote under evaluation.
  • AS 2005-2009 Restricted Prep 4.6 3V #27908engineunclearAS 2005-2009 Restricted Prep 4.6 3V now permits conversion to 2 valve configuration.
  • AS Request for 2005-2009 Restricted Prep 4.6 3V Parts #27909wordingunclearAS Ford Mustang Coupe GT 4.6L 3V Restricted Prep now permits Ford Performance camshaft kit P/N-M-6550-3V.
  • AS Request for Full Preparation Classification for 2010-2014 Camaro #28030cars addedunclear2010-2014 Camaro reclassified to AS; full preparation classification approved effective 2020-07-01.
  • AS Cylinder Heads #28696wordingunclearAS class cylinder head replacement options under review; implementation planned for 2021 season.
  • AS Request for Max Rotor Diameter Change #28748suspension & brakesfasterAS Mustang, Camaro, Firebird, Capri max brake rotor diameter increases from 12.2 to 13.1 inches.
  • AS Request increase rotor diameter #28797suspension & brakessuspension & brakesAS rotor diameter increase approved; see Fastrack letter #28748 for details.
  • AS weight adjustments for 2020 season #28785weight -50 lbsfasterAS Chevrolet/Pontiac Camaro & Firebird (82-92) loses 50 lbs, to 3500.
  • SRF SRF Bump Stop Correction #27019wordingwordingSRF shock absorber bump stop clarified: only SCCA P/N 280407 allowed as delivered, maximum one per shock, effective 05/01/2020.
  • AS Rear Trailing Arms #28007suspension & brakessuspension & brakesAS rear trailing arms may be replaced with tubular arms maintaining stock length and axle location purpose only.
  • AS Weight reduction for cars running iron heads #28010weightfasterAS Ford and GM full-prep cars get 200 lb weight reduction, up from 150 lb.
  • AS 05-10 Mustang with HR cam classification #28226cars addedcars added05-10 Ford Mustang Coupe GT 4.6L OHC classified AS with 3200 lbs minimum weight, HR cam restricted prep.
  • AS 10-15 Camaro Full Prep classification #28227cars addedcars addedAS 10-15 Chevrolet Camaro Full Prep classified with 3400 lbs base weight, over 313 CID engine 3700 lbs maximum.
Central Florida Region Hoosier SCCA Super Tour @ Sebring International Raceway ST20JAN102020-01-102:24.399Thomas Ellis · fastest of 5 · top 5 within 22.9s-3.831s (-2.58%)2:25.519John Heinricy · fastest of 5 · top 5 within 15.8s-5.196s (-3.45%)129.3Scott Sanda+8.1 mph (+6.7%)2:35.330Jim Drago · fastest of 53 · top 5 within 0.6s+0.729s (+0.47%)2:36.243Jim Drago · fastest of 54 · top 5 within 0.2s+0.278s (+0.18%)113.1Brad Perez+4.5 mph (+4.1%)+10.724squal +10.931s107.4%qual 107.6%
13 rule changes (AS: 4, SM: 4, SRF: 5)2 cars added · 2 weight · 1 tyres & wheels · 8 wording · SRF rain and brake rule wording updated; supersedes GCR 9.3.32.B.2 effective 1/1/202 through 12/31/2024. · SRF bans tire warmers and cooling methods other than natural air convection or conduction. · SRF front nose weight minimum reduced from 35 to 32 lbs. · SRF3 reclassified as Spec Racer Ford 3 with 1.6L conversion; SRF2 becomes Regional Only Class. · AS Spec Mustang (SMG) added as Restricted Prep class. · AS class minimum ride height clarified to 5 inches measured at rocker panel, excluding seams and cladding. · SRF drivers may now use Dash Windscreen Kit P/N 1180103 or P/N 180102. · AS Ford Mustang (79-93) 313 CID and under loses 100 lbs to 3150; over 313 CID loses 100 lbs to 3450. · SM fuel pump and filter must be Mazda or OEM Equivalent part. · AS Spec Mustang (SMG) newly classified with 107.1 wheelbase, 3.73 gears, 355mm front brakes, 300mm rear. · 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.showhide
  • SRF SRF Rain / Brake Rule - BoD approved as follows #34958wordingwordingSRF rain and brake rule wording updated; supersedes GCR 9.3.32.B.2 effective 1/1/202 through 12/31/2024.
  • SRF SRF Tire Warmer Rule #27622tyres & wheelsslowerSRF bans tire warmers and cooling methods other than natural air convection or conduction.
  • SRF SRF / SRF3 Nose Weight Reduction #27706weightfasterSRF front nose weight minimum reduced from 35 to 32 lbs.
  • SRF SRF / SRF3 Majors & Regional Class Updates #27723wordingwordingSRF3 reclassified as Spec Racer Ford 3 with 1.6L conversion; SRF2 becomes Regional Only Class.
  • AS Request to add SMG to 9.1.6.B.1 AS Intent #27140cars addedcars addedAS Spec Mustang (SMG) added as Restricted Prep class.
  • AS Request Ride Height Clarification #26598wordingwordingAS class minimum ride height clarified to 5 inches measured at rocker panel, excluding seams and cladding.
  • SRF SRF Dash Windscreen Kit #27028wordingwordingSRF drivers may now use Dash Windscreen Kit P/N 1180103 or P/N 180102.
  • AS Request to Revert to 2017 Weights #25885weightfasterAS Ford Mustang (79-93) 313 CID and under loses 100 lbs to 3150; over 313 CID loses 100 lbs to 3450.
  • SM Request to allow aftermarket fuel filters. #26370wordingwordingSM fuel pump and filter must be Mazda or OEM Equivalent part.
  • AS SMG Mustang eligibility in American sedan #26224cars addedcars addedAS Spec Mustang (SMG) newly classified with 107.1 wheelbase, 3.73 gears, 355mm front brakes, 300mm rear.
  • 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.
Hoosier SCCA Super Tour (Central Florida Region) ST19JAN112019-01-112:28.230Thomas Ellis · fastest of 22:30.715Thomas Ellis · fastest of 2121.2Thomas Ellis2:34.601Preston Pardus · fastest of 62 · top 5 within 0.3s2:35.965Jim Drago · fastest of 62 · top 5 within 0.1s108.6Jim Drago+5.250squal +6.371s103.5%qual 104.3%2:17.409Karl Markey · only car2:18.792Karl Markey · only car126.4Karl Markey-11.923squal -10.821s92.1%qual 92.7%

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