The ACO received 87 applications, from which 60 were accepted to qualify for the 55 starting spots. Porsche was the only manufacturer with a works team and made up 19 of the 55 starters. Entries again came from regular specialists Mirage, De Cadenet, Rondeau and WM. There were also exploratory entries from Formula 1 constructor March and the Japanese companies of Mazda and Dome.
