PORSCHE RACING HISTORYJack Ryan (USA)
1968 : Sebring 12 Hours - 2nd in class
4 February 1968 - Daytona 24 Hours - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 32 | Porsche 911 S | TA2.0 | Jack Ryan (USA)/Pete Harrison (USA) | RBM Motors (USA) | 28th | 37th | 393 laps |
23 March 1968 - Sebring 12 Hours - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 60 | Porsche 911 S | GT2.0 | Pete Harrison (USA)/Gregg Loomis (USA)/Jack Ryan (USA) | Gregg Loomis (USA) | 8th | 2nd | 40th | 204 laps |