PORSCHE RACING HISTORYRichard Attwood (GB)
1971 : Le Mans 24 Hours - 2nd overall : Watkins Glen 6 Hours - 3rd overall, 2nd in class
13 June 1971 - Le Mans 24 Hours - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 19 | Porsche 917 K | 917-031 | S5.0 | Richard Attwood (GB)/Herbert Müller (CH) | John Wyer Automotive Engineering (GB) | 2nd | 2nd | 11th | 395 laps |
24 July 1971 - Watkins Glen 6 Hours - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 2 | Porsche 917 K | 917-015 | S | Derek Bell (GB)/Richard Attwood (GB) | J. W. Automotive Engineering (GB) | 3rd | 2nd | 4th | 259 laps |
25 July 1971 - Can-Am Watkins Glen - Can-Am - Canadian-American Challenge Cup
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 91 | Porsche 917 K | 917-014 | Richard Attwood (GB) | John Wyer Automotive (GB) | 13th | 11th | 77 laps |