PORSCHE RACING HISTORYStephen Behr (USA)
1970
21 March 1970 - Sebring 12 Hours - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 51 | Porsche 906 | 906-148 | S3.0 | Stephen Behr (USA)/Merv Rosen (USA) | Porsche Audi VWNC (USA) | NC | 36th | 158 laps |
11 July 1970 - Watkins Glen 6 Hours - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 94 | Porsche 914/6 | 914 043 0663 | GT2.5 | Ralph Meaney (USA)/Stephen Behr (USA) | Ralph Meaney, Inc. (USA) | 20th | 5th | 19th | 181 laps |