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The best American road racer of his generation and, of course, the only competitor that Jim Clark truly feared, Gurney was most at home in the 1.5-litre era of the early 1960s where his sympathy with the highly-fragile machinery counted for much.

Despite winning races for Porsche and Brabham, his greatest triumph was victory in the 1967 Belgian Grand Prix in his own car, the Anglo-American Racers-run Eagle-Weslake, making him the only man to take maiden world championship race wins for three different constructors.

Even more significantly, he was the first to fit a small strip of material - now known as the Gurney Flap - onto the wing of a racing car in order to increase downforce, and is credited as the man who kicked off the tradition of spraying - rather than drinking - champagne on the podium.