The Gulf Mirage with Cosworth engine quite surprisingly won the 1975 Le Mans 24 Hours race. At the end of the season, however, Gulf Oil withdrew its sponsorship and the team was bought by the American Harley Cluxton, a lawyer and Ferrari dealer. . The team's efforts were concentrated on Le Mans, where two Mirage GR8s were deployed; Lafosse and Migault's car, still equipped with the Ford Cosworth, took an excellent second place.