M. L. Speer (USA)
1985
3 February 1985 - Daytona 24 Hours - IMSA - International Motor Sport Association
No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
35 | Porsche 911 Carrera RSR | 911 460 9113 | GTO | M. L. Speer (USA)/Bobby Hefner (USA)/Jack Griffin (USA) | Team Dallas | 31st | 12th | 60th | 395 laps - Oil Leak |