PORSCHE RACING HISTORYPorsche 917 K - Chassis No. 917-022
10 January 1971 - Buenos Aires 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 48 | Porsche 917 K | 917-022 | S | Reinhold Jöst (D)/Angel Monguzzi (RA) | Team Auto Usdau (CH) | DNF | 13th | 85 laps - Engine |
4 April 1971 - Brands Hatch 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 10 | Porsche 917 K | 917-022 | S5.0 | Reinhold Jöst (D)/Willi Kauhsen (D) | Team Auto Usdau | 6th | 4th | 12th | 221 laps |
25 April 1971 - Monza 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 6 | Porsche 917 K | 917-022 | S5.0 | Willi Kauhsen (D)/Reinhold Jöst (D) | Team Auto Usdau (CH) | 7th | 4th | 14th | 164 laps |
9 May 1971 - Spa 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 25 | Porsche 917 K | 917-022 | S5.0 | Willi Kauhsen (D)/Reinhold Jöst (D) | Usdau Team (CH) | 4th | 3rd | 7th | 66 laps |
30 May 1971 - Nürburgring 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 55 | Porsche 917 K | 917-022 | S5.0 | Reinhold Jöst (D)/Willi Kauhsen (D) | Team Auto Usdau (CH) | 6th | 1st | 10th | 40 laps |