PORSCHE RACING HISTORYJohnny Rutherford (USA)
1979 : Watkins Glen 6 Hours - 3rd in class
4 February 1979 - Daytona 24 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 5 | Porsche 935 | 930 770 0957 | GTX | Charles Mendez (USA)/Johnny Rutherford (USA)/Paul Miller (USA) | Budweiser Racing (USA) | 15th | 4th | 12th | 529 laps - Rear Suspension |
7 July 1979 - Watkins Glen 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 95 | Porsche 935/79 | TA-II | Bill Whittington (USA)/Brian Redman (GB)/Johnny Rutherford (USA) | Whittington Brothers (USA) | 8th | 3rd | 8th | 161 laps |