 As fitted to the Centaur Waggot in which John French won the 1962 Australian GT Championship, the engine was producing 202 bhp, over three times the 62 bhp output of the standard Holden unit.The Waggott TC4V engine followed in 1968.This was developed from the four-cylinder Ford Cortina engine block  with the addition of a new head design featuring twin overhead camshafts and four valves per cylinder.