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
1989
5 February 1989 - Daytona 24 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 62 | Porsche 911 | GTU | Terry Wolters (USA)/Chris Kraft (USA)/Rusty Bond (USA)/Alex Job (USA) | Alex Job (USA) | 19th | 5th | 64th | 485 laps | |
| 72 | Porsche 911 | GTU | Jay Kjoller (USA)/Patrick Mooney (USA)/Robin Boone (USA)/Bob Dotson (USA) | Jay Kjoller (USA) | 66th | 12th | 65th | 2 laps - Clutch |
18 March 1989 - Sebring 12 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 72 | Porsche 911 | GTU | Jay Kjoller (USA)/Patrick Mooney (USA)/Steve Volk (USA) | Jay Kjoller (USA) | 22nd | 5th | 48th | 248 laps | |
| 62 | Porsche 911 | GTU | Alex Job (USA)/Chris Kraft (USA)/Rusty Bond (USA) | Alex Job Racing (USA) | 30th | 9th | 51st | 225 laps | |
| 50 | Porsche 911 | GTU | Rudy Bartling (CDN)/Rainer Brezinka (CDN)/Fritz Hochreuter (CDN) | Fritz Hochreuter (CDN) | 44th | 13th | 45th | 115 laps - Electrics | |
| 45 | Porsche 911 | 911 030 0568 | GTU | Charles Slater (USA)/Kenneth Brady (USA)/Norm Dupont (USA) | Charles Slater (USA) | 46th | 15th | 53rd | 93 laps - Engine |