PORSCHE RACING HISTORYLewis Williams, Jr. (USA)
1968 : Daytona 24 Hours - 2nd in class
4 February 1968 - Daytona 24 Hours - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 77 | Porsche 911 | TA2.0 | Robert Stoddard (USA)/George Drolsom (USA)/Marty Gifford (USA)/Lewis Williams, Jr. (USA) | Lewis Wiliams, Jr. (USA) | 11th | 2nd | 41st | 575 laps |