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
1990
4 February 1990 - Daytona 24 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 26 | Porsche 911 | GTU | Chris Kraft (USA)/Tommy Johnson (USA)/Alex Job (USA)/Buz McCall (USA) | Border Cantina (USA) | 14th | 2nd | 54th | 605 laps |
17 March 1990 - Sebring 12 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 50 | Porsche 911 | 911 410 3631 | GTU | Rudy Bartling (CDN)/Werner Frank (USA)/Fritz Hochreuter (CDN) | Rudy Bartling (CDN) | 44th | 12th | 43rd | 45 laps - Engine |
| 26 | Porsche 911 | GTU | Chris Kraft (USA)/Alex Job (USA)/Jack Refenning (USA) | Alex Job (USA) | 49th | 14th | 39th | 14 laps - Accident |