This decade at Le Mans began with the first victories by Porsche, whose awesome 917 racing car, capable of more than 240mph, established a distance record that would stand for almost four decades. One of a hat-trick of wins by Matra, effectively the French national team, was achieved in a famously frantic, head-to-head duel with Ferrari. In 1975, the oil crisis led the ACO to run its race to a 'fuel formula', and it was won by the Ford-supported Gulf-Mirage team. Porsche, using motorsport to develop its turbocharging technology, won again in 1976 and in 1977, when Jacky Ickx produced one...

This was a very important period in the Le Mans story. Ferrari and Jaguar raced to stake claims as the foremost manufacturers of high-performance cars. Mercedes-Benz came back from war-ravaged Germany and again set the standards in race-car engineering. Aston Martin finally won at its 20th attempt. Enormous crowds - approaching half a million people - saw the first rear-engined saloons to compete at Le Mans, and the first mid-engined sports-racing cars, and the first diesels. On-track performance soared. In 1949 the fastest car hit 135mph on the unique Mulsanne straight. Before the end of...