PORSCHE RACING HISTORYHans-Joachim Stuck (D)
1988 : Sebring 12 Hours - 1st overall
31 January 1988 - Daytona 24 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 86 | Porsche 962 | 962-121 | GTP | Klaus Ludwig (D)/Hans-Joachim Stuck (D)/Sarel van der Merwe (ZA) | Bayside Motorsport (USA) | 4th | 4th | 7th | 694 laps |
28 February 1988 - Miami 3 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 86 | Porsche 962 | 962-121 | GTP | Klaus Ludwig (D)/Hans-Joachim Stuck (D) | Bayside-Leven Motorsport (USA) | 5th | 5th | 2nd | 124 laps |
19 March 1988 - Sebring 12 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 86 | Porsche 962 | 962-121 | GTP | Klaus Ludwig (D)/Hans-Joachim Stuck (D) | Bayside Disposal Racing (USA) | 1st | 1st | 4th | 318 laps |