PORSCHE RACING HISTORYReinhold Jöst (D)
1974 : Neubiberg [SRP] - 1st overall : Interserie Nürburgring 300 Km - 3rd overall, 1st in class
5 May 1974 - Neubiberg [SRP] - Non Championship Race
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| Porsche 908/03 | 908/03-008 | SRP+2.0 | Reinhold Jöst (D) | 1st | 1st | 15 laps |
17 June 1974 - Interserie Nürburgring 300 Km - Interserie
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 75 | Porsche 908/03 | 908/03-008 | S 500 | Reinhold Jöst (D) | Joest-Racing (D) | 3rd | 1st | 6th | 8 laps |