PORSCHE RACING HISTORYGustavo Londono (CO)
1983
27 February 1983 - GP Miami IMSA GTO - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 69 | Porsche 911 Carrera RSR | GTO | Gustavo Londono (CO) | Londono Bridge Racing (CO) | 22nd | 22nd | 21st | 15 laps - DNF |
19 March 1983 - Sebring 12 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 99 | Porsche 911 Carrera RSR | GTO | Gustavo Londono (CO)/Carlos Munoz (USA)/Hugo Gralia (USA) | Londono Bridge Racing (CO) | 63rd | 29th | 73rd | 81 laps - Accident |
19 March 1983 - Sebring 12 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 07 | Porsche 911 Carrera RSR | GTO | Fred Flaquer (USA)/Gustavo Londono (CO)/Ricardo Londono (CO)/Rene Rodriguez (USA) | Londono Bridge Racing (CO) | 81st | 37th | 83rd | 21 laps - Engine |