PORSCHE RACING HISTORYBill Bencker (USA)
1967 : Daytona 24 Hours - 1st in class
5 February 1967 - Daytona 24 Hours - International Manufacturers Championship : Prototypes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 54 | Porsche 911 S | GT2.0 | Jack Ryan (USA)/Bill Bencker (USA) | RBM Motors (USA) | 9th | 1st | 35th | 555 laps |
1 April 1967 - Sebring 12 Hours - International Manufacturers Championship : Prototypes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 45 | Porsche 911 S | P2.0 | Jack Ryan (USA)/Bill Bencker (USA) | RBM Motors (USA) | DNF | 36th | 93 laps - Accident |