PORSCHE RACING HISTORYPeter Revson (USA)
1973 : IROC Riverside 1 - 3rd
27 October 1973 - IROC Riverside 1 - IROC - International Race of Champions
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 3 | Porsche 911 Carrera RSR | 911 460 0016 | Peter Revson (USA) | Roger Penske (USA) | 3rd | 2nd | 30 laps |
27 October 1973 - IROC Riverside 2 - IROC - International Race of Champions
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 3 | Porsche 911 Carrera RSR | 911 460 0085 | Peter Revson (USA) | Roger Penske (USA) | 4th | 10th | 30 laps |
28 October 1973 - IROC Riverside 3 - IROC - International Race of Champions
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 4 | Porsche 911 Carrera RSR | 911 460 0016 | Peter Revson (USA) | Roger Penske (USA) | 7th | 9th | 30 laps |