Group 7 (racing)

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Group 7 was a set of regulations for automobile racing created by the Commission Sportive Internationale (CSI), a division of the modern Fédération Internationale de l'Automobile.

Contents

There were two distinct sets of Group 7 regulations:

Group 7 two-seater racing cars (1966 to 1975)

A field of Group 7 cars participating in a Can-Am race in 1973 Can-Am Edmonton 1973.jpg
A field of Group 7 cars participating in a Can-Am race in 1973

The FIA’s new Appendix J regulations for 1966 listed a category for “Group 9 two-seater racing cars” in its draft versions, but this was amended to “Group 7 two-seater racing cars” by the time of publication of the 1966 FIA Yearbook. [1] The new Group 7 regulations specified that cars must be fitted with fenders, windshield, two seats, two doors, headlights, taillights, rollbar, a dual braking system and a self-starter and that they must utilize commercial gasoline. [1]

Group 7 cars were defined as "two-seater competition vehicles built exclusively for speed races on closed circuit". [2] There was no minimum production requirement necessary to earn homologation. As such, the regulations allowed manufacturers and teams freedom to create unique racing cars with no limitations on engines, tires, aerodynamics, or dimensions, as long as the car had room for two seats and was enclosed in bodywork. Races for Group 7 cars were generally short sprints, with few accommodations made for driver comfort.

Although the formula only existed for ten years, Group 7 was embraced by several series around the world, with the Sports Car Club of America running its United States Road Racing Championship for Group 7 cars from 1966 to 1968. Its Canadian-American Challenge Cup, better known as Can-Am, was also open to Group 7 cars from 1966 to 1974. In Europe, the Nordic Challenge Cup ran in 1969, replaced by the Interserie in 1970 before the series later adopted a Formula Libre format. Early editions of the Japanese Grand Prix were dominated by Group 7 cars built by Japanese manufacturers.

Many manufacturers became involved in Group 7, with McLaren and Porsche building the most dominant cars in the category. Manufacturers Lola, Chaparral, Ferrari, BRM, Shadow, Nissan, Toyota, and Isuzu all built Group 7 cars, while big-block Chevrolet and Ford motors were the engines of choice throughout the world.

The formula was current through to 1975, [3] with two-seater racing cars defined under Group 6 regulations from 1976. [4]

Group 7 international formula racing cars (1976 to 1981)

From 1976 the FIA used the Group 7 designation for international formula racing cars. [4] The new Group 7 encompassed International Formulae Nos 1, 2 and 3, [4] better known as Formula 1, Formula 2 and Formula 3 respectively. It remained current through to 1981. [5]

Groups 1-9

Appendix J Classifications and Definitions 1955 - 1965
GroupCategory195519561957Category195819591960Category19611962196319641965
Group 1 I. TouringNormal series productionI. TouringNormal series productionA. TouringNormal series production
Group 2 "Grand Touring" series prodModified series prodModified series prod
Group 3 Special series productionSpecial series productionB. Grand TouringGrand Touring Cars
Group 4 II. SportsSeries productionII Grand

Touring

Normal GT series prodC. SportsSports Car
Group 5 InternationalModified GT series prod--
Group 6 --GT specials
Source: [6]
Appendix J Classifications and Definitions 1966 - 1981 (production requirement)
GroupCategory1966196719681969Category19701971Category1972197319741975Category197619771978197919801981
Group 1 A.

Production

Cars

Series Touring (5000)A.

Production Cars

Series Touring (5000)A.

Production Cars

Series Touring (5000)A.

Production Cars

Series Touring (5000)
Group 2 Touring (1000)Special Touring (1000)Special Touring (1000)Special Touring (1000)
Group 3 Grand Touring (500)Series Grand Touring (1000)Series Grand Touring (1000)Series Grand Touring (1000)
Group 4 Sportscars (50/25)Special Grand Touring (500)Special Grand Touring (500)Grand Touring (400)
Group 5 B. Special

Cars

Special Touring CarsSports cars (50)B. ...Sports carsSpecial cars derived from Groups 1-4
Group 6 Prototype sportscarsB. ...Prototype sports cars--B.

Racing Cars

Two-seater racecars
Group 7 C. Racing

Cars

Two-seater racecarsC.

Racing Cars

Two-seater racecarsC.

Racing Cars

Two-seater racecarsInternational formula
Group 8Formula racing carsFormula racing carsInternational formulaFormula libre racing cars
Group 9Formula libre racing carsFormula libre racing carsFormula libre racing cars--
Source: [6]

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References

  1. 1 2 Part 6: Is it 1966 Already? Finally!, atlasf1.autosport.com Retrieved on 29 October 2014
  2. Appendix J to the International Sporting Code 1968, argent.fia.com Retrieved on 1 November 2014
  3. Appendix J to the International Sporting Code 1975, argent.fia.com Retrieved on 1 November 2014
  4. 1 2 3 Appendix J to the International Sporting Code 1976, argent.fia.com Retrieved on 1 November 2014
  5. Appendix J to the International Sporting Code 1981, argent.fia.com Retrieved on 1 November 2014
  6. 1 2 "Regulations - Period Appendix J | FIA Historic Database". historicdb.fia.com. Retrieved 2022-05-19.