PORSCHE RACING HISTORYBill Johnson (USA)
1982
31 January 1982 - Daytona 24 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 34 | Porsche 924 Carrera GTR | GTO | George Drolsom (USA)/Bill Johnson (USA)/Werner Frank (USA) | Drolsom Racing (USA) | 43rd | 20th | 58th | 238 laps |
20 March 1982 - Sebring 12 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 34 | Porsche 924 Carrera GTR | GTO | George Drolsom (USA)/Bill Johnson (USA)/Tom Davey (USA) | Drolsom Racing (USA) | 36th | 13th | 37th | 119 laps - DNF |
22 August 1982 - Road America 500 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 34 | Porsche 924 Carrera GTR | GTO | George Drolsom (USA)/Bill Johnson (USA) | Drolsom Racing (USA) | 21st | 9th | 39th | 101 laps - DNF |