If Peter Williamson had opted to build his own Celica and later Celica-Supra MkII Turbos to Gr C rules (which he could have done for 1982 and 1983) he would have gone to Dan Gurney in the USA for the Bodywork designs which if he had done that would have elevated the Celica with the turbo into the big class with Commodores, Falcons, RX7s, Nissan Bluebird ZX Turbos, BMW 635csis and Camaros These IMSA examples show what they would have had looked like