PORSCHE RACING HISTORYGary Wonzer (USA)
1983
6 February 1983 - Daytona 24 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 42 | Porsche 911 S | 119 220 830 | GTU | Bill Bean (USA)/Buzz Cason (USA)/Gary Wonzer (USA) | Gary Wonzer | 56th | 15th | 73rd | 118 laps - Gearbox |
19 March 1983 - Sebring 12 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 42 | Porsche 911 S | 119 220 830 | GTU | Gary Wonzer (USA)/Bill Bean (USA)/Buzz Cason (USA) | Gary Wonzer | 37th | 16th | 58th | 162 laps |
15 May 1983 - Charlotte 500 km - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 42 | Porsche 911 S | 119 220 830 | GTU | Gary Wonzer (USA) | Gary Wonzer | 39th | 19th | 37th | 13 laps - DNF |
3 July 1983 - Daytona 250 Miles Paul Revere - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 42 | Porsche 911 S | 119 220 830 | GTU | Gary Wonzer (USA)/Bill Bean (USA) | Gary Wonzer | 30th | 9th | 40th | 27 laps - DNF |