1973 Singapore Grand Prix 1973 Singapore Grand Prix The 1973 Singapore Grand Prix was a motor race held at the Thomson Road Grand Prix circuit on 22 April 1973. It was the final Singapore Grand Prix before the cancellation of the event, which resumed in 2008 as a round of the Formula One World Championship. The race was contested over 50 laps and was won by Vern Schuppan driving a March. The race was run to Australian Formula Two rules. John MacDonald had a brand new Brabham BT40 delivered to him for the race. However, his team ran into difficulty due to fuel pick-up
1971 Spanish Grand Prix 1971 Spanish Grand Prix The 1971 Spanish Grand Prix was a Formula One motor race held at the Montjuïc circuit on April 18, 1971. It was race 2 of 11 in both the 1971 World Championship of Drivers and the 1971 International Cup for Formula One Manufacturers. The 75-lap race was won by Tyrrell driver Jackie Stewart after he started from fourth position. Jacky Ickx finished second for the Ferrari team and Matra driver Chris Amon came in third. This was the first Formula One race in which slick tyres were used. The tyres were introduced by Firestone, based on