PORSCHE RACING HISTORYPorsche 917/10 - Chassis No. 917/10-015
1 April 1973 - Interserie Nürburgring - Interserie
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 2 | Porsche 917/10 TC | 917/10-015 | INT | Willi Kauhsen (D) | Willi Kauhsen Racing Team (D) | 1st | 1st | 1st | 14 laps |
24 June 1973 - Interserie Norisring - Interserie
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 2 | Porsche 917/10 TC | 917/10-015 | Gr. 7 | Willi Kauhsen (D) | Willi Kauhsen Racing Team (D) | 4th | 3rd | 1st | 136 laps |
12 August 1973 - Can-Am Mid-Ohio - Can-Am - Canadian-American Challenge Cup
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 5 | Porsche 917/10 TC | 917/10-015 | Willi Kauhsen (D) | Willi Kauhsen Racing Team | DNF | 5th | 9 laps - Gearbox |
17 June 1974 - Interserie Nürburgring 300 Km - Interserie
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 2 | Porsche 917/10 TC | 917/10-015 | Class A | Willi Kauhsen (D) | Willi-Kauhsen-Racing-Team (D) | 33rd | 8th | 5th | 2 laps - Cooling Fan |