PORSCHE RACING HISTORY917 PA
1971
27 June 1971 - Can-Am St. Jovite - Can-Am - Canadian-American Challenge Cup
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 0 | Porsche 917 PA | 917-028 | Milt Minter (USA) | Vasek Polak Racing | 8th | 8th | 70 laps |
11 July 1971 - Can-Am Road Atlanta - Can-Am - Canadian-American Challenge Cup
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 0 | Porsche 917 PA | 917-028 | Milt Minter (USA) | Vasek Polak Racing | 5th | 11th | 70 laps |
22 August 1971 - Can-Am Mid-Ohio - Can-Am - Canadian-American Challenge Cup
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 0 | Porsche 917 PA | 917-028 | Milt Minter (USA) | Vasek Polak Racing | 6th | 12th | 75 laps |
12 September 1971 - Can-Am Donnybrooke - Can-Am - Canadian-American Challenge Cup
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 0 | Porsche 917 PA | 917-028 | Milt Minter (USA) | Vasek Polak Racing | 7th | 10th | 67 laps |
26 September 1971 - Can-Am Edmonton - Can-Am - Canadian-American Challenge Cup
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 0 | Porsche 917 PA | 917-028 | Milt Minter (USA) | Vasek Polak Racing | 5th | 11th | 77 laps |
17 October 1971 - Can-Am Laguna Seca - Can-Am - Canadian-American Challenge Cup
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 0 | Porsche 917 PA | 917-028 | Milt Minter (USA) | Vasek Polak Racing | 9th | 14th | 86 laps |
31 October 1971 - Can-Am Riverside - Can-Am - Canadian-American Challenge Cup
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 0 | Porsche 917 PA | 917-028 | Milt Minter (USA) | Vasek Polak Racing | 6th | 12th | 59 laps |