To challenge the Porsches, mainly 917, in the 1970 World Sportscar Championship, Ferrari created the 512 S race car. The new racer was developed relatively quickly by a team headed by Mauro Forghieri. As the car’s name would suggest, the Ferrari 512 S was powered by an all-alloy, 5-litre V12-engine. With twin overhead camshafts per bank and four valves per cylinder the engine delivered 550 horsepower at 8500 rpm.
After FIA reduced the engine capacity limit to 3 litres for prototypes in the World Constructors’ Championships at the end of 1967, Porsche designed the 908 sports car to have an even footing with its rivals in the competition for the title. Porsche 908 was the first Porsche sports car to have an engine with the maximum size allowed by the rules. Its new 3-litre engine was tailor-made to the large capacity class for the first time in the long motorsport history of Porsche.
In the 1960s Henry Ford II wanted to bring the Ford Motor Company back to the racing circuits. One of the main goals was to win the 24h Le Mans. The endurance race, that Ferrari was dominating at the time. To compete seriously at Le Mans, Ford needed a 200-mph mid-engined car that could maintain a 120-mph average lap speed after 24 hours, and Ford needed the car quickly