PORSCHE RACING HISTORYDieter Spoerry (CH)
1971 : Brands Hatch 1000 km - 3rd in class
4 April 1971 - Brands Hatch 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 53 | Porsche 908/02 | 908-022 | P3.0 | Hans-Dieter Weigel (D)/Dieter Spoerry (CH) | Team Auto Usdau | 10th | 3rd | 23rd | 210 laps |
25 April 1971 - Monza 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 22 | Porsche 908/02 | 908-022 | P3.0 | Hans-Dieter Weigel (D)/Dieter Spoerry (CH) | Team Auto Usdau (CH) | DNF | 23rd | 9 laps - Accident |
30 May 1971 - Nürburgring 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 6 | Porsche 908/02 Flunder | 908-022 | P3.0 | Hans-Dieter Weigel (D)/Dieter Spoerry (CH) | Team Auto Usdau (CH) | 25th | 9th | 33rd | 30 laps - DNF |