1 | 2 | Brazilian Grand Prix | 16 | Stewart Ford | Stewart SF3 | Ford Cosworth Cosworth CR-1 | 3 | Engine |
2 | 4 | Monaco Grand Prix | 16 | Stewart Ford | Stewart SF3 | Ford Cosworth Cosworth CR-1 | 5 | Suspension |
3 | 6 | Canadian Grand Prix | 16 | Stewart Ford | Stewart SF3 | Ford Cosworth Cosworth CR-1 | 5 | Steering |
4 | 9 | Austrian Grand Prix | 16 | Stewart Ford | Stewart SF3 | Ford Cosworth Cosworth CR-1 | 5 | Engine |
5 | 10 | German Grand Prix | 16 | Stewart Ford | Stewart SF3 | Ford Cosworth Cosworth CR-1 | 6 | Hydraulics |