PORSCHE RACING HISTORYRick Borlase (USA)
1984 : Riverside 6 Hours - 2nd in class
24 March 1984 - Sebring 12 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 56 | Porsche 934 | 930 670 0162 | GTO | Rick Borlase (USA)/Michael Hammond (USA)/Don Kravig (USA) | Coin Operated Racing (USA) | 77th | 27th | 63rd | 12 laps - Engine |
29 April 1984 - Riverside 6 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 58 | Porsche 934 | 930 670 0162 | GTO | Rick Borlase (USA)/Don Kravig (USA)/Michael Hammond (USA) | Coin Operated Racing (USA) | 14th | 2nd | 28th | 180 laps |