The ninth edition of the Men's Football Tournament at the Pan American Games was held in Caracas, Venezuela, from August 15 to August 27, 1983. Ten teams competed in a first round-robin competition, with Brazil defending the title. After the preliminary round there was a final round.
Football at the 1983 Pan American Games Wikipedia
Originally the tournament was to have been played by 12 teams organised into four groups of three teams but Honduras and Suriname did not take part, forcing a rearrangement of the original draw (shown below).Group A: Venezuela, Chile, Suriname
Group B: Brazil, United States, Bermuda
Group C: Argentina, Guatemala, Honduras
Group D: Uruguay, Mexico, Cuba