PORSCHE RACING HISTORYAsh Tisdelle (USA)
1984 : Daytona 24 Hours - 2nd in class
5 February 1984 - Daytona 24 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 09 | Porsche 911 Carrera RSR | 911 460 9080 | GTO | Ash Tisdelle (USA)/Lance Van Every (USA) | Van Every Racing (USA) | 10th | 2nd | 58th | 579 laps |
24 March 1984 - Sebring 12 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 09 | Porsche 911 Carrera RSR | GTO | Lance Van Every (USA)/Ash Tisdelle (USA) | Van Every Racing (USA) | 33rd | 11th | 28th | 169 laps - Gearbox |