PORSCHE RACING HISTORYPorsche 906 - Chassis No. 906-148
22 March 1969 - Sebring 12 Hours - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 49 | Porsche 906 | 906-148 | S3.0 | Merv Rosen (USA)/Dave Morrell (USA) | Dr. Merv Rosen (USA) | 37th | 58th | 162 laps |
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 |
| 52 | Porsche 906 | 906-148 | S2.0 | Merv Rosen (USA)/Dick Jacobs (USA) | Volkswagen North Central (USA) | 11th | 1st | 14th | 241 laps |
20 March 1971 - Sebring 12 Hours - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 74 | Porsche 906 | 906-148 | S | Merv Rosen (USA)/Dick Jacobs (USA) | Dr. Mervin B. Rosen (USA) | NC | 24th | 172 laps |