PORSCHE RACING HISTORYHans-Joachim Stuck (D)
1990
4 February 1990 - Daytona 24 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 2 | Porsche 962 | 962-C06 | GTP | Harald Grohs (D)/Hans-Joachim Stuck (D)/Hurley Haywood (USA)/René Herzog (CH) | Alucraft/Shapiro Motorsports | 4th | 4th | 13th | 704 laps |
17 March 1990 - Sebring 12 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 17 | Porsche 962 C | 962C-141 | GTP | Raul Boesel (BR)/Hans-Joachim Stuck (D)/René Herzog (CH) | Dauer Racing (D) | 14th | 7th | 15th | 246 laps - Accident |