Silverstone Festival RACE CARD 2023 | Page 29

QUALIFYING Friday 16.34 – 16.56 RACE 18 Sunday 15.50 – 16.10

CLASSES 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 Class 3 : Pre 1939 1.5-litre Voiturette cars on 16 ” wheels Class 4 : 1930-1951 Grand Prix and Voiturette cars over 15-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-itres 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

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