PORSCHE RACING HISTORY1978 - Trans-Am Mexico
5 November 1978 - Autódromo Hermanos Rodríguez, Mexico
Ludwig Heimrath, Sr wins in a Porsche 935
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 7 | Porsche 935 | 930 770 0958 | TA-II | Ludwig Heimrath, Sr (CDN) | Heimrath Racing (CDN) | 1st | 1st | 3rd | 31 laps |
| 8 | Porsche 935 | 930 770 0959 | TA-II | Janet Guthrie (USA) | 4th | 4th | 10th | 30 laps | |
| 181 | Porsche 935 | 930 670 0171 | TA-II | " Jamsal" (ES) | Scorpio Racing (ES) | 10th | 6th | 8th | 29 laps |
| 85 | Porsche 934/5 | 930 770 0952 | TA-II | Bruce Leven (USA) | Bayside Disposal Racing (USA) | 12th | 7th | 20th | 28 laps |
| 2 | Porsche 911 Carrera RSR | TA-II | Gustavo Bolanos (MEX) | BMB Racing (MEX) | 13th | 8th | 15th | 28 laps | |
| 26 | Porsche 911 | TA-II | Tom Masterson (USA) | Swag Engineering (USA) | 19th | 10th | 23rd | 26 laps | |
| 13 | Porsche 935 | 930 670 0180 | TA-II | Hal Shaw, Jr. (USA) | Hal Shaw Racing (USA) | 21st | 11th | 14th | 25 laps |
| 9A | Porsche 934 | 930 670 0175 | TA-II | Gary Belcher (USA) | DNS | 7th |
Trans-Am
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