PORSCHE RACING HISTORYChassis No. 930 770 0955
One of only ten 934/5 officially made by porsche
1 May 1977 - Laguna Seca 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 16 | Porsche 934/5 | 930 770 0955 | GTO | George Follmer (USA) | Vasek Polak Racing (USA) | 3rd | 3rd | 3rd | 52 laps |
30 May 1977 - Trans-Am Kent - Trans-Am
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 16 | Porsche 934/5 | 930 770 0955 | TA-II | George Follmer (USA) | Vasek Polak Racing (USA) | 2nd | 2nd | 3rd | 44 laps |
12 June 1977 - Trans-Am Portland - Trans-Am
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 16 | Porsche 934/5 | 930 770 0955 | TA-II | George Follmer (USA) | Vasek Polak Racing (USA) | 1st | 1st | 1st | 50 laps |
8 July 1978 - Watkins Glen 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 3 | Porsche 935 | 930 770 0955 | Gr.5 | Janet Guthrie (USA)/Brian Redman (GB)/Hurley Haywood (USA) | Vasek Polak Racing (USA) | 8th | 6th | 7th | 128 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 |