PORSCHE RACING HISTORYTim Selby (USA)
1984 : Road America 500 Miles - 3rd in class
24 March 1984 - Sebring 12 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 23 | Porsche 914/6 | 914 043 0538 | GTU | Tim Selby (USA)/Earl Roe (USA) | Roe/Selby Racing (USA) | 16th | 7th | 49th | 221 laps |
26 August 1984 - Road America 500 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 29 | Porsche 914/6 | 914 043 0538 | GTU | Tim Selby (USA)/Earl Roe (USA) | Roe/Selby Racing (USA) | 17th | 3rd | 49th | 105 laps |