Carl Shafer (USA)
1977
6 February 1977 - Daytona 24 Hours - World Championship for Makes
No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
24 | Porsche 911 Carrera RSR | 911 460 9056 | GTO | Tom Frank (USA)/Carl Shafer (USA) | Executive Industries (USA) | 39th | 27th | 16th | 178 laps - DNF |
19 March 1977 - Sebring 12 Hours - IMSA - International Motor Sport Association
No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
24 | Porsche 911 Carrera RSR | 911 460 9056 | GTO | Tom Frank (USA)/Carl Shafer (USA) | Executive Industries (USA) | 7th | 7th | 16th | 214 laps |