PORSCHE RACING HISTORYPorsche 911 Carrera RSR - Chassis No. 911 460 9056
1 February 1976 - Daytona 24 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 14 | Porsche 911 Carrera RSR | 911 460 9056 | GTO | Al Holbert (USA)/Claude Ballot-Léna (F) | George Dickinson/Holbert Porsche-Audi (USA) | 2nd | 2nd | 5th | 531 laps |
20 March 1976 - Sebring 12 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 14 | Porsche 911 Carrera RSR | 911 460 9056 | GTO | Al Holbert (USA)/Michael Keyser (USA) | G. W. Dickinson/Holbert Porsche-Audi (USA) | 1st | 1st | 3rd | 230 laps |
2 May 1976 - Laguna Seca 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 24 | Porsche 911 Carrera RSR | 911 460 9056 | GTO | Tom Frank (USA) | Executive Industries (USA) | 19th | 14th | 24th | 46 laps - DNF |
6 February 1977 - Daytona 24 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 24 | Porsche 911 Carrera RSR | 911 460 9056 | GTO | Tom Frank (USA)/Carl Shafer (USA) | Executive Industries (USA) | 39th | 27th | 16th | 178 laps - DNF |
19 March 1977 - Sebring 12 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 24 | Porsche 911 Carrera RSR | 911 460 9056 | GTO | Tom Frank (USA)/Carl Shafer (USA) | Executive Industries (USA) | 7th | 7th | 16th | 214 laps |
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 |