PORSCHE RACING HISTORYPorsche 934/5 - Chassis No. 930 770 0952
One of 10 Porsche 934/5 models built 1977 - Supplied new to Peter Gregg at Brumos Porsche
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 |
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 |
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 |
4 June 1978 - Trans-Am Westwood - Trans-Am
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 85 | Porsche 934/5 | 930 770 0952 | TA-II | Bruce Leven (USA) | Bayside Racing (USA) | 7th | 4th | 15th | 53 laps |
11 June 1978 - Trans-Am Portland - Trans-Am
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 85 | Porsche 934/5 | 930 770 0952 | TA-II | Bruce Leven (USA) | Bayside Disposal Racing (USA) | 4th | 4th | 14th | 48 laps |
19 August 1978 - Trans-Am Mosport - Trans-Am
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 85 | Porsche 934/5 | 930 770 0952 | TA-II | Bruce Leven (USA) | Bayside Disposal Racing Team (USA) | 16th | 10th | 20th | 36 laps |
8 October 1978 - Trans-Am Laguna Seca - Trans-Am
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 85 | Porsche 934/5 | 930 770 0952 | TA-II | Bruce Leven (USA) | Bayside Disposal Racing (USA) | 6th | 6th | 11th | 49 laps |
5 November 1978 - Trans-Am Mexico - Trans-Am
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 85 | Porsche 934/5 | 930 770 0952 | TA-II | Bruce Leven (USA) | Bayside Disposal Racing (USA) | 12th | 7th | 20th | 28 laps |