| Engine | Races | Starts | Poles | Wins | Podia | F. laps | Pts | |
| 1 | Alfa Romeo Giulietta | 1 | ||||||
| 2 | Climax FPF | 135 | 115 | 1 | 3 | 7 | 3 | 77 |
| 3 | Climax FWMV | 3 | 3 | 1 | 1 | |||
| 4 | Conrero Giulietta | 2 | 2 | |||||
| 5 | Ferrari Dino 156 «120°» | 22 | 19 | 6 | 4 | 11 | 3 | 77 |
| 6 | Ferrari Dino 156 «60°» | 3 | 3 | 2 | 1 | 13 | ||
| 7 | Ferrari Dino 156 «65°» | 5 | 5 | 1 | 1 | 1 | 9 | |
| 8 | Maserati 4 CL | 19 | 13 | |||||
| 9 | OSCA 372 | 2 | 2 | |||||
| 10 | Porsche 547/6 | 27 | 25 | 3 | 24 |