PORSCHE RACING HISTORY911
1966 1967 1968 1969 1970 1971 1973 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990
1968
4 February 1968 - Daytona 24 Hours - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 59 | Porsche 911 | TA2.0 | Peter Gregg (USA)/Sten Axelsson (S) | Brumos Porsche (USA) | 9th | 1st | 35th | 589 laps | |
| 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 | |
| 56 | Porsche 911 | TA2.0 | Jim Netterstrom (USA)/John Kelly (USA)/John Sabel (USA) | Ship Sharpe Maintenance (USA) | 13th | 3rd | 40th | 565 laps | |
| 73 | Porsche 911 | TA2.0 | Fred Opert (USA)/Joe Grimaldi (I) | Valvoline/Opert Racing (USA) | 26th | 7th | 45th | 471 laps |
14 July 1968 - Watkins Glen 6 Hours - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 94 | Porsche 911 | GT2.0 | Ralph Meaney (USA)/Alex Dearborn (USA) | Ralph Meaney (USA) | 14th | 2nd | 25th | 213 laps |