
Group 6 Representatives
Have a question about the cars in this group? Contact the Group 6 Representatives:
Classes:
- Formula A / Formula 2 (FA/F2)
- Formula B (FB)
- Formula C (FC)
- Formula Ford 1 (FF1)
- Formula Ford 2 (FF2)
- Formula Ford 3 (FF3)
- Formula Ford 2000 (FF2000)
- Sports 2000 (S2000)
- B Sports Racer (BSR)
Formula A / Formula 2 (FA/F2)
- 1986 and earlier cars conforming to 1986 or earlier SCCA GCR or FIA class
- Engines up to 1600cc – FA
- Engines up to 2000cc – F2
- Ford / Cosworth engines only (no Toyota engines)
- Carburetors only (no fuel injection)
- Period bodywork must be used.
- Tires: Slicks and rain tires permitted
- Any car after 1980 must be signed off by the Group Representatives prior to issue of logbook and permission to racing.
Formula B (FB)
- FB, FSV, to 1972, F-1 cars to 1960
- Period bodywork must be used
- Treaded tires are required
- 4-valve engines are not allowed
- Wings are not allowed
Formula C (FC)
- FC, F3, Mid-engine F-Jr 1100cc, 1972 or earlier
- 4-valve engines are not allowed
- Period bodywork must be used
- Treaded tires are required
- Wings are not allowed
- Note: FF2000 cars through 1994 are allowed in Formula C.
Formula Ford 1 (FF1)
1972 or earlier, prepared to 1972 GCR
- Minimum weight 925 lbs (w/o fuel or driver)
- Ford “Kent” engine only, engine prepared to 2015 or earlier SCCA GCR. (This is common with Monoposto and does allow Aluminum heads)
- Treaded Vintage FF Tires. Rain tires are not allowed. Additional grooving or hand cutting is not allowed.
- Toyo
- Front: Toyo Proxes R888, 185/60R/13
- Rear: Toyo Proxes R888, 205/60R/13
- Avon
- Front: Avon 5.0/22.0-13 A29 14297
- Rear: Avon 6.5/22.30-13 A29 14298
- Dunlop
- Front: Dunlop 135/545-13 CR82 9092 Formula Ford
- Rear: Dunlop 165/580-13 CR82 9092 Formula Ford
- (Standard 9092 compound only, 476 is not allowed)
- Hoosier
- Front: Hoosier VFF 44165, 135/545-13
- Rear: Hoosier VFF 44170, 165/580-13
- Toyo
- Steel Wheels are required
- May gusset frame members for safety reasons. No additional tubing may be added that was not done in period.
Formula Ford 2 (FF2)
1973-1981 Formula Fords, Outboard suspension on at least one end of the car, prepared to 1973-1981 GCR
- Minimum weight 950 lbs (w/o fuel or driver)
- Ford “Kent” engine only, engine prepared to 2015 or earlier SCCA GCR. (This is common with Monoposto and does allow Aluminum heads)
- Treaded Vintage FF Tires. Rain tires are not allowed. Additional grooving or hand cutting is not allowed.
- Toyo
- Front: Toyo Proxes R888, 185/60R/13
- Rear: Toyo Proxes R888, 205/60R/13
- Avon
- Front: Avon 5.0/22.0-13 A29 14297
- Rear: Avon 6.5/22.30-13 A29 14298
- Dunlop
- Front: Dunlop 135/545-13 CR82 9092 Formula Ford
- Rear: Dunlop 165/580-13 CR82 9092 Formula Ford
- (Standard 9092 compound only, 476 is not allowed)
- Hoosier
- Front: Hoosier VFF 44165, 135/545-13
- Rear: Hoosier VFF 44170, 165/580-13
- Toyo
- Steel Wheels are required
- Alloy wheels are permitted
- May gusset frame members for safety reasons. No additional tubing may be added that was not done in period.
- Note: Earlier FF’s may choose to run in this class.
Formula Ford 3 (FF3)
1982-1994 Formula Fords
- Prepared to 1986-1994 GCR
- Identical models must have been raced in or before the cut-off year
- Minimum weight 975 lbs (w/o fuel or driver) or 1,125 lbs with driver
- Ford “Kent” engine only, engine prepared to 2015 or earlier SCCA GCR. (This is common with Monoposto and does allow Aluminum heads)
- Honda Fit engines are not allowed.
- Treaded Vintage FF Tires. Rain tires are not allowed. Additional grooving or hand cutting is not allowed.
- Toyo
- Front: Toyo Proxes R888, 185/60R/13
- Rear: Toyo Proxes R888, 205/60R/13
- Avon
- Front: Avon 5.0/22.0-13 A29 14297
- Rear: Avon 6.5/22.30-13 A29 14298
- Dunlop
- Front: Dunlop 135/545-13 CR82 9092 Formula Ford
- Rear: Dunlop 165/580-13 CR82 9092 Formula Ford
- (Standard 9092 compound only, 476 is not allowed)
- Hoosier
- Front: Hoosier VFF 44165, 135/545-13
- Rear: Hoosier VFF 44170, 165/580-13
- Toyo
- Steel Wheels are required
- May gusset frame members for safety reasons. No additional tubing may be added that was not done in period.
Formula Ford 2000 (FF2000)
Formula Ford 2000 cars through 1994
- Identical models must have been raced in or before the cut-off year
- Prepared to 1986-1994 SCCA GCR
- Minimum weight 1,150 lbs (WITH DRIVER)
- Uses a “stock” 1971-1974 SOHC Ford 2 liter engine only.
- Slicks and rain tires are permitted
- Note: FF2000 cars will run in Formula C.
Sports 2000 (S2000)
Sports 2000 cars through 1994
- Identical models must have been raced in or before the cut-off year
- Prepared to 1986-1994 SCCA GCR
- Minimum weight 1,240 lbs (WITH DRIVER)
- Uses a “stock” 1971-1974 SOHC Ford 2 liter engine only.
- Slicks and rain tires are permitted
B-Sports Racing (BSR)
Sports Racers and Clubman cars (must run with fenders) up to 2000 cc, 1972 or earlier
- All cars with Coventry-Climax FPF engines regardless of displacement
- No four valve engines allowed
- Identical models must have been raced in or before the cut-off year
- Cars prepared to 1972 or earlier SCCA GCR
- Treaded tires only
- No wings allowed
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