 For an engine, Brun would retain a connection he had had during the EuroBrun days.Since World Sportscar Championship regulations would allow for engines identical to Formula One days, Brun reached an agreement with Engine Developments to use older F1 Judd EV V8s, a successor to the Judd CVs V8s that EuroBrun had used.To start 1991, Brun campaigned a pair of 962 to some success, earning points in every race of the season until the debut of the C91 at the fifth round at the Nürburgring.