PORSCHE RACING HISTORYDoug Zitza (USA)
1982
31 January 1982 - Daytona 24 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 83 | Porsche 914/6 | GTU | Harro Zitza (USA)/John Belperche (USA)/Doug Zitza (USA) | Zotz Garage (USA) | 47th | 11th | 70th | 213 laps - Oil Leak |
28 November 1982 - Daytona Finale 3 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 11 | Porsche 914/6 | GTU | Doug Zitza (USA) | 61st | 16th | 63rd | 18 laps - DNF |