1 | 4 | Belgian Grand Prix | 23 | Rob Walker Racing Team | Lotus 49C | Ford Cosworth Cosworth DFV | 16 | Engine |
2 | 8 | German Grand Prix | 9 | Rob Walker Racing Team | Lotus 49C | Ford Cosworth Cosworth DFV | 20 | Engine |
3 | 12 | United States Grand Prix | 14 | Rob Walker Racing Team | Lotus 72C | Ford Cosworth Cosworth DFV | 10 | Clutch |
4 | 13 | Mexican Grand Prix | 14 | Rob Walker Racing Team | Lotus 72C | Ford Cosworth Cosworth DFV | 8 | Overheating |