PORSCHE RACING HISTORYChassis No. 930 670 0179
10 July 1976 - Watkins Glen 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 16T | Porsche 934 | 930 670 0179 | GT | George Follmer (USA)/John Morton (USA) | Vasek Polak Racing (USA) | 11th | 2nd | 8th | 155 laps |
3 October 1976 - Laguna Seca 100 Miles II - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 0 | Porsche 934 | 930 670 0179 | GTO | Hurley Haywood (USA) | Vasek Polak Racing (USA) | 3rd | 3rd | 9th | 53 laps |
1 May 1977 - Laguna Seca 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 20 | Porsche 934 | 930 670 0179 | GTO | Roy Woods (USA) | Vasek Polak Racing (USA) | 15th | 12th | 21st | 49 laps |
30 May 1977 - Trans-Am Kent - Trans-Am
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 0 | Porsche 934 | 930 670 0179 | TA-II | Roy Woods (USA) | Vasek Polak Racing (USA) | 10th | 5th | 31st | 41 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 |
9 July 1977 - Watkins Glen 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 20 | Porsche 934 | 930 670 0179 | Gr.5 | Janet Guthrie (USA)/Randy Lewis (USA) | Vasek Polak Racing (USA) | 10th | 9th | 13th | 157 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 |