PORSCHE RACING HISTORYPorsche 934 - Chassis No.
31 October 1976 - Euro GT Hockenheim - European Championship for Grand Touring Cars
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 27 | Porsche 911 Carrera | GT3.0 | Hans Großmann (D) | SCCS Stuttgart (D) | 15th | 6th | 26 laps |
16 May 1982 - Charlotte 500 km - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 19 | Porsche 911 Carrera RSR | GTO | Ash Tisdelle (USA)/Lance Van Every (USA) | Van Every Racing (USA) | 29th | 10th | 27th | 70 laps - DNF |
5 February 1984 - Daytona 24 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 10 | Porsche 924 Carrera GTR | GTU | Jerry Kendall (USA)/Bill Johnson (USA)/Dave White (USA) | Dave White Racing | 58th | 15th | 57th | 162 laps - DNF |
3 September 1989 - San Antonio 2 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 68 | Porsche 962 C | GTP | John Andretti (USA) | Busby Racing (USA) | 3rd | 3rd | 19th | 94 laps |