PORSCHE RACING HISTORYManfred Schurti (FL)
1974
16 June 1974 - Le Mans 24 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 21 | Porsche 911 Carrera RSR Turbo | 911 460 9101 R12 | S3.0 | Manfred Schurti (FL)/Helmuth Koinigg (A) | Martini Racing Porsche System (D) | DNF | 11th | 87 laps - Engine |
1 September 1974 - Monza 6 Hours - European Championship for Grand Touring Cars
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 12 | Porsche 911 Carrera RSR | 911 460 9065 | GT3.0 | Tim Schenken (AUS)/Manfred Schurti (FL) | Polifac Racing Team Gelo (D) | 5th | 5th | 5th | 195 laps |