PORSCHE RACING HISTORYMilt Minter (USA)
1979 : Road America 500 Miles - 3rd overall
17 March 1979 - Sebring 12 Hours - World Challenge for Endurance Drivers
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 92 | Porsche 934 | 930 670 0173 | GTO | Dale Whittington (USA)/R. D. Whittington (USA)/Milt Minter (USA) | Whittington Bros. Racing (USA) | 44th | 16th | 13th | 94 laps - Suspension |
22 April 1979 - Riverside 6 Hours - 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)/Milt Minter (USA) | Interscope Racing (USA) | 34th | 11th | 9th | 100 laps - DNF |
10 June 1979 - Le Mans 24 Hours - World Challenge for Endurance Drivers
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 68 | Porsche 935/79 | 930 990 0031 | IMSA+2.5 | Ted Field (USA)/Milt Minter (USA)/John Morton (USA) | Interscope Racing (USA) | DNF | 25th | 154 laps - Engine |
15 July 1979 - Mid-Ohio 250 Miles - 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)/Milt Minter (USA) | Interscope Racing (USA) | 4th | 4th | 5th | 101 laps |
29 July 1979 - Sears Point 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 17 | Porsche 935 | 930 770 0955 | GTX | Milt Minter (USA) | 4th | 4th | 41st | 39 laps |
5 August 1979 - Portland 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 17 | Porsche 935 | 930 770 0955 | GTX | Milt Minter (USA) | Vasek Polak Racing (USA) | 4th | 4th | 6th | 50 laps |
2 September 1979 - Road America 500 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 0 | Porsche 935/79 | 930 990 0029 | GTX | Ted Field (USA)/Milt Minter (USA) | Interscope Racing (USA) | 3rd | 3rd | 7th | 125 laps |