Rene Arnoux demonstrated the original F1 turbocar, Renault’s RS01. Photo: Pete AustinFour-time World Champion Alain Prost made his first visit to Goodwood, driving his former Renault RE30. Photo: Mike JiggleGeorge Wingard takes his Fiat S74 Grand Prix car through Molecomb. Photo: Mike JiggleEmerson Fittipaldi, in a Gold Leaf Lotus 49C, leads Johannes Willenpart, driving a Lotus 72. Photo: Pete AustinBrian Redman made a run in Dan Gurney’s gorgeous Belgian GP-winning Eagle-Weslake. Photo: Mike Jiggle