Group 6

Group 6 Representatives

Have a question about the cars in this group? Contact the Group 6 Representatives:


Classes:

  • Formula 2 (F2)
  • Formula A (FA)
  • Formula B (FB)
  • Formula C (FC)
  • Formula Ford 1 (FF1)
  • Formula Ford 2 (FF2)
  • Formula Ford 3 (FF3)
  • B Sports Racer (BSR)
  • Sports 2000 (S2000) – Trial
  • Formula Ford 2000 (FF2000) – Trial

Formula 2 (F2)

  • F2 up to 1980 (later cars up to 1984 if they can prove to confirm to 1980 spec)
  • 930 lbs minimum weight
  • Cosworth BDG Engines up to 2000cc, carburetors only (no fuel injection)
  • Period bodywork must be used
  • Tires: Slicks and rain tires permitted

Formula A (FA)

  • Engines up to 1600cc, carburetors only (no fuel injection)
  • 1980 and earlier cars conforming to 1980 or earlier SCCA or FIA class
  • Period bodywork must be used
  • Tires: Slicks and rain tires permitted

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

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
  • 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)
  • Slicks and rain tires are permitted
  • 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)

1982-1986 Formula Fords, prepared to 1986 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
  • Slicks and rain tires are permitted
  • May gusset frame members for safety reasons. No additional tubing may be added that was not done in period.

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

Trial Classes:

Sports 2000 (S2000)

Sports 2000 cars through 1986. Identical models must have been raced in or before the cut-off year

  • Prepared to 1986 SCCA GCR
  • Minimum weight 1,240 lbs (WITH DRIVER)
  • Uses a “stock” 1971-1974 SOHC Ford 2 liter engine
  • Slicks and rain tires are permitted

Formula Ford 2000 (FF2000)

Formula Ford 2000 cars through 1986. Identical models must have been raced in or before the cut-off year

  • Prepared to 1986 SCCA GCR
  • Minimum weight 1,150 lbs (WITH DRIVER)
  • Uses a “stock” 1971-1974 SOHC Ford 2 liter engine
  • Slicks and rain tires are permitted

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