1966 South African Grand Prix

The 1966 South African Grand Prix, formally titled the 12th International RAC Grand Prix of South Africa (Afrikaans: 12de Internasionale RAC Grand Prix van Suid-Afrika), was a non-championship Formula One motor race held on 1 January 1966 at Prince George Circuit, East London, South Africa. The race, run over 60 laps of the circuit, was won by British driver Mike Spence in a works Lotus-Climax. Spence won by two laps from the private Brabham-BRM of Swiss driver Jo Siffert, with fellow Briton Peter Arundell third in the other works Lotus-Climax. The Grand Prix in South Africa had been relegated to non-championship status for 1966 as cars with 1.5 litre engines had been permitted to enter the race against 1966 World Championship regulations which only permitted teams to use cars with 3 litre engines.