PORSCHE RACING HISTORYTom Frank (USA)
1978
5 February 1978 - Daytona 24 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 24 | Porsche 911 Carrera RSR | 911 460 9056 | GTX | Tom Frank (USA)/Bob Bergstrom (USA) | Executive Industries (USA) | 15th | 9th | 19th | 580 laps |
18 March 1978 - Sebring 12 Hours - World Challenge for Endurance Drivers
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 24 | Porsche 911 Carrera RSR | 911 460 9056 | GTX | Tom Frank (USA)/Bob Bergstrom (USA) | Executive Industries (USA) | 50th | 13th | 14th | 77 laps - Gearbox |
4 June 1978 - Trans-Am Westwood - Trans-Am
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 24 | Porsche 911 Carrera RSR | 911 460 9056 | TA-II | Tom Frank (USA) | Executive Industries (USA) | 20th | 7th | 7th | 19 laps - Clutch |
11 June 1978 - Trans-Am Portland - Trans-Am
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 24 | Porsche 911 Carrera RSR | 911 460 9056 | TA-II | Tom Frank (USA) | Executive Industries (USA) | 9th | 5th | 22nd | 47 laps |
25 June 1978 - Trans-Am Mont-Tremblant - Trans-Am
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 24 | Porsche 911 Carrera RSR | 911 460 9056 | TA-II | Tom Frank (USA) | Executive Industries (USA) | 4th | 4th | 6th | 37 laps |
8 July 1978 - Watkins Glen 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 24 | Porsche 911 Carrera RSR | 911 460 9056 | TA 2 | Tom Frank (USA)/Bruce Leven (USA) | Executive Industries (USA) | 28th | 14th | 21st | 85 laps - Accident |