PORSCHE RACING HISTORYJim Adams (USA)
1989
5 February 1989 - Daytona 24 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 10 | Porsche 962 | 962-F01 | GTP | John Hotchkis (USA)/Jim Adams (USA)/John Hotchkis Jr. (USA) | Hotchkis Racing (USA) | 20th | 8th | 21st | 483 laps - Gearbox |
18 March 1989 - Sebring 12 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 10 | Porsche 962 | GTP | Jim Adams (USA)/John Hotchkis (USA)/John Hotchkis Jr. (USA) | Hotchkis Racing (USA) | 6th | 6th | 9th | 300 laps |
30 July 1989 - Portland 300 km - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 10 | Porsche 962 | GTP | Jim Adams (USA) | Hotchkis Racing (USA) | 9th | 9th | 12th | 91 laps |