PORSCHE RACING HISTORY917
1973
24 June 1973 - Interserie Norisring - Interserie
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 23 | Porsche 917 Spyder | 917-026 | Gr. 7 | Jürgen Barth (D) | Gelo-Racing-Team (D) | 5th | 4th | 12th | 134 laps |
| 47 | Porsche 917 Spyder | 917-01-021 | Gr. 7 | Lasse Sirviö (FIN) | Racing Team AAW (FIN) | 9th | 7th | 14th | 68 laps |
19 August 1973 - Interserie Misano - Interserie
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 23 | Porsche 917 Spyder | 917-026 | Jürgen Barth (D) | Gelo Racing Team (D) | 6th | 9th | 76 laps | ||
| 47 | Porsche 917 Spyder | 917-01-021 | Lasse Sirviö (FIN) | Racing Team AAW (FIN) | 8th | 19th | 74 laps | ||
| Porsche 917 Spyder | 917-007 | Albert Pfuhl (D) | Auto-Fox-Racing (D) | ? | 15th |