PORSCHE RACING HISTORY911 Carrera
1988
31 January 1988 - Daytona 24 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 4 | Porsche 911 Carrera | 911 210 0224 | GTU | Gary Auberlen (USA)/Adrian Gang (USA)/Cary Eisenlohr (USA)/Bill Auberlen (USA) | SP Racing (USA) | 17th | 2nd | 64th | 586 laps |
| 56 | Porsche 911 Carrera | KDM 02 | GTU | Karl Durkheimer (USA)/Monte Shelton (USA)/Jim Torres (USA)/Nort Northam (USA) | Escort Porsche (USA) | 33rd | 6th | 67th | 455 laps |
19 March 1988 - Sebring 12 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 20 | Porsche 911 Carrera | GTU | Jack Refenning (USA)/Rusty Bond (USA)/Freddy Baker (USA) | Martinelli-Scott | 25th | 5th | 39th | 232 laps | |
| 54 | Porsche 911 Carrera | 911 210 0224 | GTU | Bill Auberlen (USA)/Adrian Gang (USA)/Gary Auberlen (USA) | SP Racing (USA) | 31st | 7th | 48th | 224 laps |