PORSCHE RACING HISTORY935 J
1984
26 February 1984 - Miami 3 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 46 | Porsche 935 J | 930 890 0012 | GTP | Mauricio DeNarváez (COL)/Hans Heyer (D) | De Narvaez/Joest (CO) | 21st | 21st | 24th | 54 laps - Rear Suspension |
24 March 1984 - Sebring 12 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 48 | Porsche 935 J | 930 890 0012 | GTP | Mauricio DeNarváez (COL)/Hans Heyer (D)/Stefan Johansson (S) | De Narvaez Enterprises (CO) | 1st | 1st | 16th | 263 laps |