PORSCHE RACING HISTORYWalt Bohren (USA)
1978 : Mid Ohio 250 Miles - 2nd in class
4 July 1978 - Daytona 250 Miles Paul Revere - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 38 | Porsche 911 Carrera RSR | 911 460 9113 | GTO | Bonky Fernandez (PR)/Walt Bohren (USA) | Boricua Racing (PR) | 7th | 4th | 15th | 61 laps |
27 August 1978 - Mid Ohio 250 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 38 | Porsche 911 Carrera RSR | 911 460 9113 | GTO | Bonky Fernandez (PR)/Walt Bohren (USA) | Boricua Racing (PR) | 8th | 2nd | 19th | 98 laps |