CLASSES
Cars competing in events supported by the HGPCA must be of the type that competed in Grand Epreuve races on or before 31st December 1965 and will be categorised into one of the classes below. The Association reserves to right to amalgamate classes as required.
Front Engine Cars
Class 1 1925 - 1934 Grand Prix cars running on 18” or 19” wheels
Class 2 1935 - 1951 Grand Prix cars running on 18” or 19” wheels (cars running with smaller wheels must show period evidence)
Class 3 Pre 1939 1.5 litre Voiturette cars on 16” wheels
Class 4 1930 -1951 Grand Prix & Voiturette cars over 1.5 litres on 16” wheels
Class 5 1952/53 2 litre Grand Prix cars
Class 6 1954 -1958 Grand Prix cars on 16” wheels
Class 7a Pre 1961 front engine Grand Prix cars on 15” wheels
Class 8 Formula Libre, Indianapolis and Intercontinental cars
Invitation Class
Rear Engine Cars
Class 7b Pre 1961 Grand Prix cars on 15” wheels
Class 7c* Pre 1961 Formula 2 cars of not more than 1.5 litres
Class 9 Pre 1961 Grand Prix/Formula 2 cars of not more than 2 litres
Class 10a Pre 1 Jan 1964 1.5-litre 4-cylinder Formula 1 cars
Class 10b Pre 1966 Formula 1 cars and 1964/66 Formula 2 cars of not more than 1000cc
Class 11 Pre 1966 1.5 litre multi-cylinder Formula 1 cars
Class 12 Pre 1966 Tasman and Intercontinental 4 cylinder cars of not more than 2.7 litres
Invitation Class
* Class 7c - 1.5 litre Formula 2 cars may be included in front-engine races