PORSCHE RACING HISTORYGuillermo Ortega (EC)
1975
15 June 1975 - Le Mans 24 Hours - Non Championship Race
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 3 | Porsche 908/02 | 908/02-016 | S3.0 | Christian Poirot (F)/Gérard Cuynet (F)/Guillermo Ortega (EC) | Christian Poirot (F) | DNF | 13th | 249 laps - Transmission |
29 June 1975 - Zeltweg 1000 km - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 15 | Porsche 908/02 | S3.0 | Guillermo Ortega (EC)/Lothar Ranft (EC)/Xavier Espinosa (EC) | Ecuador Marlboro (EC) | 11th | 6th | 20th | 81 laps |