PORSCHE RACING HISTORYGeorge Drolsom (USA)
1967 : Daytona 24 Hours - 1st in class : Sebring 12 Hours - 1st in class
5 February 1967 - Daytona 24 Hours - International Manufacturers Championship : Prototypes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 61 | Porsche 911 | T2.0 | George Drolsom (USA)/Harold Williamson (USA) | George P. Drolsom (USA) | 10th | 1st | 42nd | 542 laps |
1 April 1967 - Sebring 12 Hours - International Manufacturers Championship : Prototypes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 47 | Porsche 904 GTS | 904-012 | S2.0 | George Drolsom (USA)/Bill Campbell (USA) | George Drolsom (USA) | 21st | 1st | 27th | 180 laps Wrong Ch #?? |