PORSCHE RACING HISTORYPeter Gregg (USA)
1977 : Sebring 12 Hours - 3rd overall : Le Mans 24 Hours - 3rd overall, 1st in class : DRM Norisring - 3rd : Trans-Am Hallett - 1st overall : Trans-Am Brainerd - 1st overall : Trans-Am Road America - Race I - 2nd overall : Trans-Am Road America - Race 2 - 1st overall : Trans-Am Mont-Tremblant - 1st overall
6 February 1977 - Daytona 24 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 61 | Porsche 934 | 930 670 0175 | GTO | Peter Gregg (USA)/Jim Busby (USA) | Brumos Racing (USA) | 10th | 5th | 7th | 590 laps (Wrong #?) |
19 March 1977 - Sebring 12 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 61 | Porsche 934/5 | 930 770 0951 | GTO | Jim Busby (USA)/Peter Gregg (USA) | Brumos Racing (USA) | 3rd | 3rd | 1st | 229 laps |
30 May 1977 - Trans-Am Kent - Trans-Am
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 59 | Porsche 934/5 | 930 770 0952 | TA-II | Peter Gregg (USA) | Brumos Porsche+Audi (USA) | DNS | 1st | Accident in practice |
12 June 1977 - Le Mans 24 Hours - Non Championship Race
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 40 | Porsche 935 | 930 770 0912 | Gr.5 | Claude Ballot-Léna (F)/Peter Gregg (USA) | J.M.S. Racing Team (F) | 3rd | 1st | 16th | 316 laps |
26 June 1977 - Trans-Am Nelson Ledges - Trans-Am
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 59 | Porsche 934/5 | 930 770 0952 | TA-II | Peter Gregg (USA) | Brumos Porsche (USA) | 7th | 4th | 1st | 48 laps |
3 July 1977 - DRM Norisring - DRM - Deutsche Rennsport Meisterschaft
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 70 | Porsche 935 | 930 770 0903 | Div.I | Peter Gregg (USA) | Vaillant Kremer Team (D) | 3rd | 4th | 69 laps |
9 July 1977 - Watkins Glen 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 59 | Porsche 934/5 | 930 770 0952 | Gr.5 | Peter Gregg (USA)/Claude Ballot-Léna (F)/John Gunn (USA) | Brumos Racing (USA) | 6th | 6th | 6th | 163 laps |
31 July 1977 - Trans-Am Hallett - Trans-Am
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 59 | Porsche 934/5 | 930 770 0952 | TA-II | Peter Gregg (USA) | Brumos Porsche (USA) | 1st | 1st | 1st | 55 laps |
14 August 1977 - Trans-Am Brainerd - Trans-Am
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 59 | Porsche 934/5 | 930 770 0952 | TA-II | Peter Gregg (USA) | Brumos Porsche (USA) | 1st | 1st | 1st | 33 laps |
20 August 1977 - Mosport 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 59 | Porsche 934/5 | 930 770 0952 | TA-II | Peter Gregg (USA)/Bob Wollek (F) | Brumos Porsche+Audi (USA) | DSQ | 4th | Illegal Suspension |
3 September 1977 - Trans-Am Road America - Race I - Trans-Am
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 59 | Porsche 934/5 | 930 770 0952 | TA-II | Peter Gregg (USA) | Brumos Porsche-Audi (USA) | 2nd | 2nd | 1st | 20 laps |
4 September 1977 - Trans-Am Road America - Race 2 - Trans-Am
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 59 | Porsche 934/5 | 930 770 0952 | TA-II | Peter Gregg (USA) | Brumos Porsche-Audi (USA) | 1st | 1st | 2nd | 20 laps |
9 November 1977 - Trans-Am Mont-Tremblant - Trans-Am
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 59 | Porsche 934/5 | 930 770 0952 | TA-II | Peter Gregg (USA) | Brumos Porsche (USA) | 1st | 1st | 1st | 38 laps |