Guide to HSR Race Groups

GROUP 2 >>>VINTAGE PRODUCTION

Production cars from ’50s & ’60s, early sports racing cars. Examples: Jaguar XK120, MGA, MGB, TR4, Alfa Romeo, Austin Healy, Sprite, Spitfire, Mini-Cooper, early Corvette, Lotus Eleven, Elva, Porsche 356, Street Stock D, etc.

GROUP 3  > > > VINTAGE/HISTORIC PRODUCTION

Production cars from the middle ’60s thru early ’80s. Examples: Jaguar XKE, Lotus  7,  Elan,  MGB/V-8,  Porsche  911,  914/6,  924,  944,  Datsun  240Z, B-Sedans, early A-Sedans, Street Stock B & C, etc.

GROUP 4A > > > CLASSIC MONOPOSTO

Early  small-bore  open-wheel  formula  racing  cars.  Examples:  Formula  B, Formula 2, Formula Junior, Formula Ford, Club Ford. (treaded tires)

GROUP 4B > > > MONOPOSTO FORMULA 70

Wings  and  slicks  small-bore  formula  cars  through  1979  specs.  Examples: Formula  1, Formula 2, Formula Atlantic, Formula 5000, Formula Super Vee, Formula Continental, etc.

GROUP 4C  > > > MODERN ERA FORMULA CARS

Big-bore open-wheel  formula racing cars. Examples: Indy Cars, Formula 1, Indy Lights, Formula 2, Toyota Atlantic, Formula 3000, etc.

GROUP 5  > > > HISTORIC BIG-BORE PRODUCTION

Production sports & GT cars 1960-1974. Examples: GT350, Cobra, Camara, Boss 302, Corvette, Jaguar XKE, Porsche 911 RS, RSR, Street Stock A, etc. (treaded tires)

GROUP 6 > > > RACING PROTOTYPES

IMSA  GTP,  Camel  Lights,  FIA  Group  C/C2,  WSC,  LMP,  LMPC,  Daytona Prototypes,  modern track day specials, etc. Examples: Porsche 962, Tiga, Kudzu, Spice, Nissan GTP, Toyota GTP, Jaguar XJR, Audi, Riley & Scott, Lola, etc.

GROUP 7 > > > HISTORIC/MODERN SPORTS RACERS

Classic  Can-Am,  Center-seat  Can-Am,  FIA  Championship  of  Makes,  2.0L Sports Cars, Sports Examples: GT40, McLaren, Lola, Mirage, Porsche, Chevron, March, Swift, Tiga, Alfa Rom eo, Ferrari, etc.

GROUP 8  > > > HISTORIC STOCK CARS

Historic Busch, Nationwide, Winston Cup, Nextel Sprint Cup stock cars and trucks.

GROUP 9  > > > POST-HISTORIC GT

IMSA GTO, GTX, AAGT, GTS1/2, SCCA Trans Am, GT1/2, Grand-Am GT, etc. Examples:  Dekon  Monza,  Corvette, Porsche  911 RSR ,  934, 935, Jaguar, Mustang, Capri, Camara, Mazda RX7, etc.

GROUP 10  > > > MODERN ERA GLOBAL GT CHALLENGE SERIES

FIA GT4, Porsche GT3 Cup, Ferrari Challenge,  World Challenge, Grand-Am GS, etc. Examples: BMW M3, Porsche Cup cars; 964, 993, 996, 997, 991, Ferrari 348, 355, 360, 430, 458 Challenge, Corvette C5, C6, Viper, Panoz, Porsche Cayman, Boxster, etc. (Non-tube frame), Lotus Challenge.

GROUP 11 > > > MODERN SPORTS RACERS & TRACK DAY CARS

Radical, caterham, Stohr, Praga, Shelby can-Am, Noble, Ultima, Super1tte, Barras, Wo . etc.

SASCO SPORTS INTERNATIONAL/AMERICAN CHALLENGE  > > >

Foreign  Production  Sports  Cars  (over  1.5L)  vs.  American  GT  Cars  from (Groups 2, 3, 5); (No sports racers).

STONER CAR CARE/HSR GLOBAL GT > > >

Global GT is composed of cars that might have competed in the FIA GT Champion­ ship for Grand Touring cars competing in the GT1, GT2, GT3 & GT4 categories, Grand Am GT, Trans-Am as well as the various “Cup” and “Challenge” series cars.

HSR CLASSIC RS CUP > > >

Porsche 911 RS / RSR / IROC / SC (2.7 thru 3.0L)