PORSCHE RACING HISTORYChassis No. 911 360 0974 R8
25 April 1973 - Monza 1000 km - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 82 | Porsche 911 Carrera RSR | 911 360 0974 R8 | GT3.0 | George Follmer (USA)/Manfred Schurti (FL) | Martini Racing Team (D) | DNF | 24th | 19 laps - Engine |