| Built by: | Climax |
| Architecture: | 2L V8 |
| Active years: | 1966 – 1968 (3) |
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| Rd | Date | Grand Prix | Driver | Team | Car | Grid | Race | Pts |
| 1 | 22 May | Monaco | Jim Clark | Lotus | Lotus 33 | 1 | Ret | 0 |
| 2 | 12 Jun | Belgium | Jim Clark | Lotus | Lotus 33 | 10 | Ret | 0 |
| 3 | 3 Jul | France | Pedro Rodríguez | Lotus | Lotus 33 | 13 | Ret | 0 |
| Jim Clark | Lotus | Lotus 33 | DNS | 0 | ||||
| 4 | 16 Jul | Great Britain | Jim Clark | Lotus | Lotus 33 | 5 | 4 | 3 |
| Jo Bonnier | Jo Bonnier | Brabham BT7 | 15 | Ret | 0 | |||
| Trevor Taylor | Shannon | Shannon SH1 | 18 | Ret | 0 | |||
| 5 | 24 Jul | Netherlands | Jim Clark | Lotus | Lotus 33 | 3 | 3 | 4 |
| 6 | 7 Aug | Germany | Jim Clark | Lotus | Lotus 33 | 1 | Ret | 0 |
| 7 | 4 Sep | Italy | Frank Gardner | John Willment Automobiles | BRP 2 | Np | 0 | |
| Geki | Lotus | Lotus 33 | 20 | 9 | 0 | |||
| Trevor Taylor | Shannon | Shannon SH1 | Np | 0 | ||||
| 8 | 2 Oct | United States | ||||||
| 9 | 23 Oct | Mexico |