PORSCHE RACING HISTORYJohn Cooper (GB)
1981 : Le Mans 24 Hours - 1st in class : Brands Hatch 1000 km - 2nd in class
10 May 1981 - Silverstone 6 Hours - World Championship for Drivers and Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 21 | Porsche 935 K3 | 930 890 0022 | Gr.5 | Dudley Wood (GB)/John Cooper (GB) | Charles Ivey Racing (GB) | DNF | 15th | 101 laps - Accident |
24 May 1981 - Nürburgring 1000 Km - World Championship for Drivers and Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 23 | Porsche 935 K3 | 930 890 0022 | Gr.5 | John Cooper (GB)/Dudley Wood (GB) | Charles Ivey Racing (GB) | 9th | 5th | 20th | 16 laps |
14 June 1981 - Le Mans 24 Hours - World Championship for Drivers and Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 55 | Porsche 935 K3 | 009 0002 | Gr.5 | John Cooper (GB)/Dudley Wood (GB)/Claude Bourgoignie (B) | Claude Bourgoignie (B) | 4th | 1st | 23rd | 331 laps |
27 September 1981 - Brands Hatch 1000 km - World Championship for Drivers and Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 25 | Porsche 935 K3 | 930 890 0022 | Gr.5 | John Cooper (GB)/Dudley Wood (GB) | Charles Ivey Racing (GB) | 4th | 2nd | 19th | 226 laps |