2.South American Championships - Guayaquil, Ecuador - July 9-13 1983
Quarterfinals (incomplete)
| 1983-07-09 | 51kg | Jesus Poll | VEN | Victor Ruiz | ECU | 4:1 |
| 1983-07-10 | 54kg | Robinson Pitalua | COL | Galo Ortiz | ECU | 5:0 |
| 1983-07-09 | 57kg | Rafael Zuniga | COL | Roberto Alvarez | ECU | RSC 2 |
| 1983-07-11 | 60kg | Abraham Bravo | ECU | Eder Gonzalez | COL | PTS |
| 1983-07-09 | 63,5kg | Jose Magallanes | VEN | Cesar Saenz | COL | RSC 1 |
| 1983-07-09 | 67kg | Hector Lescano | ARG | Anibal Miranda | COL | 3:2 |
| 1983-07-10 | 67kg | Armando Rodriguez | VEN | Amilcar Bernal | PER | RSC 1 |
| 1983-07-09 | 81kg | Miguel Mosca | ARG | Celso Campos | ECU | RSC 3 |
Semifinals (incomplete)
| 1983-07-10 | 48kg | Arcelio Diaz | COL | Ali Galvez | CHL | 5:0 |
| 1983-07-10 | 48kg | Marcelino Bolivar | VEN | William Aguilar | ECU | 4:1 |
| 1983-07-11 | 51kg | Nelson Pineda | COL | Victor Panez | ECU | PTS |
| 1983-07-12 | 54kg | Robinson Pitalua | COL | Hernan Ramirez | CHL | KO 1 |
| 1983-07-12 | 54kg | Manuel Vilchez | VEN | Juan Pena | PER | 5:0 |
| 1983-07-10 | 57kg | Celso Espinoza | ARG | Carlos Cuya | PER | 5:0 |
| 1983-07-11 | 57kg | Omar Catari | VEN | Rafael Zuniga | COL | PTS |
| 1983-07-12 | 67kg | Segundo Quintero | ECU | Hector Leiva | CHL | RSC 1 |
| 1983-07-12 | 67kg | Hector Lescano | ARG | Armando Rodriguez | VEN | 3:2 |
| 1983-07-11 | 71kg | Lubin Urbina | VEN | Marcelino Simarra | COL | PTS |
| 1983-07-?? | 75kg | ??? | ??? | Maximo Acuna | COL | ??? |
| 1983-07-12 | 81kg | Roque Rivero | URU | Ricardo Segovia | PER | RSCH 2 |
| 1983-07-10 | +91kg | Eloy Loaiza | VEN | Felix Erazo | ECU | ??? |
Finals (incomplete)
| 1983-07-13 | 48kg | Arcelio Diaz | COL | Marcelino Bolivar | VEN | 3:2 |
| 1983-07-13 | 51kg | Jesus Poll | VEN | Nelson Pineda | COL | PTS |
| 1983-07-13 | 54kg | Manuel Vilchez | VEN | Robinson Pitalua | COL | 3:2 |
| 1983-07-13 | 57kg | Omar Catari | VEN | Celso Espindola | ARG | 5:0 |