PORSCHE RACING HISTORYHiram Cruz (MEX)
1983
27 February 1983 - Miami GP - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 69 | Porsche 934 | 930 670 0161 | GTP | Hiram Cruz (MEX) | Hiram Cruz (PR) | 17th | 17th | 26th | 25 laps |
19 March 1983 - Sebring 12 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 69 | Porsche 934 | 930 670 0161 | GTO | Mandy Gonzalez (PR)/Hiram Cruz (MEX) | Hiram Cruz Racing (PR) | 20th | 7th | 26th | 201 laps |