[2] The regulations specified a single-seat, open-wheeled chassis[1] with a flat bottom, thus excluding any ground effects designs.
[2] Engines had to be 1.6-litre four-cylinder units sourced from a production touring car[1] although only the Ford Cosworth BDA engine was actually homologated for the category.
[1] The Southern Pacific Zone series was staged in New Zealand and Australia in early 1983 and was won by Australian Charlie O’Brien[5] and the Formula Mondial North American Cup series was won by American Michael Andretti.
[6] However the World Cup finals series, which was to have been contested over four races in Quebec, Canada in September 1983 was cancelled the month before it was due to be run.
[5] It was abandoned in the United States and Canada[9] and ceased to be an International Formula from the end of 1984.