 Frenchman Patrick Tambay, who had previously driven for Haas's Can-Am team in North America, was added as the team's second entry alongside Jones.Tambay had formerly won 2 Grands Prix for Ferrari in and , and had also driven for the factory Renault team in and 1985 Problems arose however before the season began, as Cosworth's efforts to build the new Ford engines had been delayed, forcing the team to start the season with the previous year's car and the Hart engine.Even with the old machinery, Tambay was able to qualify 13th on the grid of the Brazilian Grand Prix, although he and Jones both retired.