1 | 1952 | Italian Grand Prix | 2 | 28 | Connaught Engineering | Connaught A | Francis | 22 | Suspension |
2 | 1953 | Dutch Grand Prix | 3 | 28 | Connaught Engineering | Connaught A | Francis | 14 | Engine |
3 | 1953 | British Grand Prix | 4 | 11 | Connaught Engineering | Connaught A | Francis | 13 | |
4 | 1955 | British Grand Prix | 7 | 32 | Connaught Engineering | Connaught B | Alta | 17 | Fuel Pressure |