PORSCHE RACING HISTORYPreston Henn (USA)
1982 : Daytona 250 Miles Revere - 3rd in class : Road Atlanta 500 km - 2nd overall
31 January 1982 - Daytona 24 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 09 | Porsche 935 K3 | 000 0009 | GTP | Preston Henn (USA)/Desiré Wilson (ZA)/Marty Hinze (USA) | Thunderbird Swap Shop (USA) | 45th | 15th | 6th | 229 laps - DNF |
20 March 1982 - Sebring 12 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 09 | Porsche 935 K3 | 000 0009 | GTP | Preston Henn (USA)/Dale Whittington (USA)/Randy Lanier (USA) | T-Bird Swap Shop (USA) | 28th | 11th | 11th | 146 laps - Oil System |
16 May 1982 - Charlotte 500 km - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 09 | Porsche 935 K3 | 930 890 0013 | GTP | Preston Henn (USA)/Bonnie Henn (USA) | T-Bird Swap Shop (USA) | 11th | 6th | 13th | 123 laps |
3 July 1982 - Daytona 250 Miles Revere - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 51 | Porsche 935 K3 | 930 890 0013 | GTP | Preston Henn (USA)/Bonnie Henn (USA)/Randy Lanier (USA) | 4th | 3rd | 10th | 61 laps |
15 August 1982 - Mosport 6 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 08 | Porsche 935 K3 | 930 890 0013 | GTP | Preston Henn (USA)/Bonnie Henn (USA)/Desiré Wilson (ZA) | Henn's Swap Shop Racing Team (USA) | 24th | 10th | 7th | 92 laps - DNF |
15 August 1982 - Mosport 6 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 09 | Porsche 935 K3 | 000 0009 | GTP | Preston Henn (USA) | Henn's Swap Shop Racing Team (USA) | 30th | 11th | 9th | 6 laps - DNF |
22 August 1982 - Road America 500 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 09 | Porsche 935 K3 | 000 0009 | GTP | Preston Henn (USA)/Bonnie Henn (USA)/Desiré Wilson (ZA) | Henn's Swap Shop Racing Team (USA) | 41st | 14th | 12th | 38 laps - DNF |
5 September 1982 - Mid Ohio 6 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 09 | Porsche 935 K3 | 000 0009 | GTP | Preston Henn (USA) | Henn's Swap Shop Racing Team (USA) | 37th | 12th | 16th | 23 laps - DNF |
12 September 1982 - Road Atlanta 500 km - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 09 | Porsche 935 K3 | 000 0009 | GTP | Preston Henn (USA)/Doc Bundy (USA) | Henn's Swap Shop Racing Team (USA) | 2nd | 2nd | 5th | 123 laps |
28 November 1982 - Daytona Finale 3 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 6 | Porsche 935 L | 935 L | GTP | Al Holbert (USA)/Doc Bundy (USA)/Preston Henn (USA) | 4th | 4th | 5th | 83 laps |