PORSCHE RACING HISTORYPorsche 917/10 - Chassis No. 917-010
10 August 1969 - Zeltweg 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 30 | Porsche 917 | 917-010 | S5.0 | Richard Attwood (GB)/Brian Redman (GB) | David Piper Racing Ltd. (GB) | 3rd | 3rd | 6th | 169 laps |
25 April 1970 - Monza 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 11 | Porsche 917 K | 917-010 | S5.0 | Tony Adamowicz (USA)/David Piper (GB) | David Piper (GB) | DNF | 17th | 55 laps - Gearbox Shift Selector |
5 July 1970 - Interserie Hockenheim Südwestpokal - Interserie
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 11 | Porsche 917 K | 917-010 | David Piper (GB) | David Piper (GB) | 4th | 6th | 30 laps |
24 July 1971 - Watkins Glen 6 Hours - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 43 | Porsche 917 K | 917-010 | S | Tony Adamowicz (USA)/Mario Cabral (P) | David Piper Racing (GB) | NC | 11th | 191 laps |
25 July 1971 - Can-Am Watkins Glen - Can-Am - Canadian-American Challenge Cup
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 43 | Porsche 917 K | 917-010 | Mario Cabral (P) | David Piper Racing | 17th | 24th | 71 laps |
13 April 1975 - Interserie Hockenheim Jim Clark - Interserie
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 6 | Porsche 917/10 TC | 917-010 | Div. I | Rolf Stommelen (D) | Gelo Racing Team Georg Loos (D) | DNF |