PORSCHE RACING HISTORYDanny Ongais (USA)
1978 : Road Atlanta 100 Miles - 2nd overall : Daytona Finale 250 Miles - 2nd overall
5 February 1978 - Daytona 24 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 0 | Porsche 935/77A | 930 890 0019 | GTX | Danny Ongais (USA)/Ted Field (USA)/Milt Minter (USA) | Interscope Racing (USA) | 56th | 23rd | 1st | 88 laps - Engine |
16 April 1978 - Road Atlanta 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 0 | Porsche 935/77A | 930 890 0021 | GTX | Danny Ongais (USA) | Interscope Racing (USA) | 2nd | 2nd | 11th | 40 laps |
4 July 1978 - Daytona 250 Miles Paul Revere - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 00 | Porsche 935/77A | 930 890 0019 | GTX | Ted Field (USA)/Danny Ongais (USA) | Interscope Racing (USA) | 36th | 9th | 2nd | 41 laps - DNF |
8 July 1978 - Watkins Glen 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 0 | Porsche 935/77A | Gr.5 | Danny Ongais (USA)/Ted Field (USA) | Interscope Racing (USA) | 25th | 11th | 3rd | 95 laps - Transmission |
4 September 1978 - Road Atlanta 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 00 | Porsche 935/77A | 930 890 0019 | GTX | Danny Ongais (USA) | Interscope Racing (USA) | 27th | 16th | 1st | 11 laps - DNF |
26 November 1978 - Daytona Finale 250 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 00 | Porsche 935/77A | 930 890 0019 | GTX | Danny Ongais (USA) | Interscope Racing (USA) | 2nd | 2nd | 11th | 65 laps |