PORSCHE RACING HISTORYMonte Shelton (USA)
1977 : Trans-Am Kent - 3rd overall : Trans-Am Portland - 2nd overall : Trans-Am Hallett - 3rd overall : Trans-Am Brainerd - 3rd in class
30 May 1977 - Trans-Am Kent - Trans-Am
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 57 | Porsche 911 Carrera RSR | 911 560 9122 | TA-II | Monte Shelton (USA) | Monte's Motors (USA) | 3rd | 3rd | 4th | 43 laps |
12 June 1977 - Trans-Am Portland - Trans-Am
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 57 | Porsche 934 | 930 670 0179 | TA-II | Monte Shelton (USA) | Monte's Motors | 2nd | 2nd | 2nd | 50 laps |
12 June 1977 - Trans-Am Portland - Trans-Am
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 57 | Porsche 911 Carrera RSR | 911 560 9122 | Monte Shelton (USA) | Monte's Motors | DNS | 6th |
9 July 1977 - Watkins Glen 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 51 | Porsche 911 Carrera RSR | 911 560 9122 | Gr.5 | Robert Frostrom (USA)/Monte Shelton (USA) | Monte's Motors (USA) | 7th | 7th | 22nd | 162 laps |
31 July 1977 - Trans-Am Hallett - Trans-Am
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 51 | Porsche 934 | 930 670 0179 | TA-II | Monte Shelton (USA) | Porsche Audi Northwest | 3rd | 3rd | 4th | 54 laps |
14 August 1977 - Trans-Am Brainerd - Trans-Am
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 51 | Porsche 934 | 930 670 0179 | TA-II | Monte Shelton (USA) | Porsche Audi Northwest | 3rdf | 3rd | 3rd | 33 laps |
20 August 1977 - Mosport 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 0 | Porsche 934 | 930 670 0179 | TA-II | Monte Shelton (USA)/Skeeter McKitterick (USA) | Vasek Polak Racing (USA) | 13th | 7th | 7th | 154 laps |
3 September 1977 - Trans-Am Road America - Race I - Trans-Am
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 51 | Porsche 934 | 930 670 0179 | TA-II | Monte Shelton (USA) | Monte's Motor Co. (USA) | 4th | 4th | 7th | 19 laps |
4 September 1977 - Trans-Am Road America - Race 2 - Trans-Am
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 51 | Porsche 934 | 930 670 0179 | TA-II | Monte Shelton (USA) | Monte's Motor Co. (USA) | DNS |