PORSCHE RACING HISTORYGeorge Dyer (USA)
1977 : Daytona 24 Hours - 2nd in class : Sebring 12 Hours - 1st overall : Road Atlanta 100 Miles - 3rd overall : Mid-America 100 Miles - 2nd overall
6 February 1977 - Daytona 24 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 30 | Porsche 911 Carrera RSR | 911 460 9048 | GTO | George Dyer (USA)/Brad Frisselle (USA) | George Dyer (USA) | 4th | 2nd | 21st | 663 laps |
19 March 1977 - Sebring 12 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 30 | Porsche 911 Carrera RSR | 911 460 9048 | GTO | George Dyer (USA)/Brad Frisselle (USA) | George Dyer Racing (USA) | 1st | 1st | 7th | 234 laps |
17 April 1977 - Road Atlanta 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 30 | Porsche 934/5 | 930 770 0954 | GTO | George Dyer (USA) | George Dyer (USA) | 3rd | 3rd | 6th | 40 laps |
1 May 1977 - Laguna Seca 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 30 | Porsche 934/5 | 930 770 0954 | GTO | George Dyer (USA) | George Dyer (USA) | 37th | 24th | 7th | 11 laps - DNF |
15 May 1977 - Mid-America 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 30 | Porsche 911 Carrera RSR | 911 460 9048 | GTO | George Dyer (USA) | George Dyer (USA) | 2nd | 2nd | 4th | 35 laps |