Pit Lane F1
Brabham-BRM → Cooper-Maserati
Jo Siffert terminó P15 en el Campeonato del Mundo de 1966 con 3 puntos. En 8 carreras: 0 victorias, 0 podios y 0 pole positions — mejor resultado P4.
| Round | Race | Team | Grid | Finish | Points | Status |
|---|---|---|---|---|---|---|
| 1 | Monaco Grand Prix | Brabham-BRM | 13 | P10 | Clutch | |
| 2 | Belgian Grand Prix | Cooper-Maserati | 14 | P15 | Accident | |
| 3 | French Grand Prix | Cooper-Maserati | 6 | P14 | Fuel system | |
| 4 | British Grand Prix | Cooper-Maserati | 11 | P13 | Not classified | |
| 5 | Dutch Grand Prix | Cooper-Maserati | 11 |
| P10 |
| Engine |
| 7 | Italian Grand Prix | Cooper-Maserati | 17 | P12 | Engine |
| 8 | United States Grand Prix | Cooper-Maserati | 13 | P4 | 3 | +3 Laps |
| 9 | Mexican Grand Prix | Cooper-Maserati | 11 | P11 | Suspension |