Long, long ago when the world was a different place and nobody had a clue what a health and safety executive was, or minded if a couple of racing cars banged wheels now and then, there was a motor race in France.

It was won by a lanky Frenchman called Jean-Pierre Jabouille, who not only scored his own first victory, but also that of Renault’s controversial turbocharged car which had turned the sport on its head.