PORSCHE RACING HISTORYJohn Higgins (USA)
1979 : Sebring 12 Hours - 2nd in class
17 March 1979 - Sebring 12 Hours - World Challenge for Endurance Drivers
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 39 | Porsche 911 | GTU | Jim Trueman (USA)/John Higgins (USA)/Chip Mead (USA) | Barrick Motor Racing | 12th | 2nd | 34th | 215 laps |
22 April 1979 - Riverside 6 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 39 | Porsche 911 | GTU | Cliff Hansen (USA)/John Higgins (USA) | Barrick Motor Racing | 25th | 10th | 51st | 156 laps |
2 September 1979 - Road America 500 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 39 | Porsche 911 | GTU | John Higgins (USA)/James King (USA)/Roger Seacrist (USA) | Foreign Exchange | 35th | 14th | 32nd | 50 laps - DNF |