PORSCHE RACING HISTORYJohn Hulen (USA)
1977 : Road Atlanta 100 Miles - 3rd in class
19 March 1977 - Sebring 12 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 85 | Porsche 914/6 | GTU | John Hulen (USA)/Ron Coupland (USA)/Dave Causey (USA) | John Hulen (USA) | 25th | 10th | 37th | 157 laps |
17 April 1977 - Road Atlanta 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 85 | Porsche 914/6 | GTU | John Hulen (USA) | John Hulen (USA) | 16th | 3rd | 37th | 36 laps |