PORSCHE RACING HISTORY914/4
1981
1 February 1981 - Daytona 24 Hours - World Championship for Drivers and Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 22 | Porsche 914/4 | GTU | Wayne Baker (USA)/Dan Gilliland (USA)/Frank Harmstad (USA) | Personalized Autohaus (USA) | 49th | 15th | 53rd | 143 laps - DNF |
26 April 1981 - Riverside 6 Hours - World Championship for Drivers and Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 22 | Porsche 914/4 | GTU | Wayne Baker (USA)/Robert Overby (USA) | Personalized Autohaus (USA) | 34th | 10th | 34th | 98 laps - DNF |
4 July 1981 - Daytona 250 Miles Paul Revere - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 22 | Porsche 914/4 | GTU | Robert Overby (USA) | 28th | 10th | 19th | 22 laps - DNF |
16 August 1981 - Mosport 6 Hours - World Championship for Drivers and Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 22 | Porsche 914/4 | GTU | Wayne Baker (USA)/Robert Overby (USA) | Personalized Autohaus (USA) | 28th | 7th | 20th | 95 laps - DNF |
23 August 1981 - Road America 500 Miles - World Championship for Drivers and Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 22 | Porsche 914/4 | GTU | Wayne Baker (USA)/Robert Overby (USA) | Personalized Autohaus (USA) | 11th | 3rd | 27th | 106 laps |
29 November 1981 - Daytona Finale 250 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 22 | Porsche 914/4 | GTU | Wayne Baker (USA) | Personalized Autohaus (USA) | 58th | 12th | 42nd | 19 laps - DNF |