PORSCHE RACING HISTORYJack Refenning (USA)
1982 : Daytona 24 Hours - 3rd in class
31 January 1982 - Daytona 24 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 24 | Porsche 934 | 930 670 0168 | GTO | Jack Refenning (USA)/Ren Tilton (USA)/Rusty Bond (USA) | 901 Shop (USA) | 9th | 3rd | 21st | 618 laps |
28 November 1982 - Daytona Finale 3 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 99 | Porsche 911 SC | 911 030 1263 | GTU | Jack Refenning (USA)/Mike Schaefer (USA) | 29th | 7th | 29th | 69 laps |