1 | 3 | Belgian Grand Prix | 18 | USF&G Arrows Megatron | Arrows A10 | Megatron | 11 | 4 |
2 | 5 | Detroit Grand Prix | 18 | USF&G Arrows Megatron | Arrows A10 | Megatron | 6 | 6 |
3 | 12 | Portuguese Grand Prix | 18 | USF&G Arrows Megatron | Arrows A10 | Megatron | 11 | 6 |
4 | 14 | Mexican Grand Prix | 18 | USF&G Arrows Megatron | Arrows A10 | Megatron | 13 | 4 |