PORSCHE RACING HISTORYPreston Henn (USA)
b. 20 January 1931 (Murphy, North Carolina, USA) - d. 30 April 2017 (Hillsboro Beach, Florida, USA)
Wikipedia
1977
1979
1980
1981
1982
1983
1984
1985
1986
1977
19 March 1977 - Sebring 12 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 54 | Porsche 914/6 | GTU | Hal Sahlman (USA)/Preston Henn (USA)/Steve Cook (USA) | Spirit Racing | 49th | 19th | 48th | 81 laps - DNF |