PORSCHE RACING HISTORYHans-Dieter Blatzheim (D)
1970 : Monza 1000 km - 2nd in class : Spa 1000 km - 1st in class
12 April 1970 - Brands Hatch 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 71 | Porsche 907 | 907-022 | P2.0 | Hans-Dieter Blatzheim (D)/Ernst Kraus (D) | Hans Dieter Blatzheim (D) | DNF | 32nd | 56 laps - Accident |
25 April 1970 - Monza 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 52 | Porsche 907 | 907-029 | P2.0 | Hans-Dieter Blatzheim (D)/Helmut Krause (D) | Hans-Dieter Blatzheim (D) | 17th | 2nd | 24th | 139 laps |
17 May 1970 - Spa 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 15 | Porsche 907 Spyder | 907-022 | P2.0 | Hans-Dieter Blatzheim (D)/Ernst Kraus (D) | Hans-Dieter Blatzheim (D) | 13th | 1st | 13th | 59 laps |
31 May 1970 - Nürburgring 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 23 | Porsche 907 Spyder | 907-022 | P2.0 | Hans-Dieter Blatzheim (D)/Ernst Kraus (D) | Hans-Dieter Blatzheim (D) | DNF | 18th | 19 laps - Engine |
28 June 1970 - Interserie Norisring - Interserie
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 51 | Porsche 907 Spyder | 907-022 | Hans-Dieter Blatzheim (D) | Hans-Dieter Blatzheim (D) | DNF | 17th | 33 laps - Collision Damage |