Running a twin-turbocharged V8 making 470 hp, the F40 was built to celebrate its maker's 40th anniversary. It was an instant 200-mph legend that redefined Ferrari.
Porsche built 25 917s for homologation in 1969. It won Le Mans in 1970 and 1971, only losing when the rules changed. The 917 still holds the Le Mans fastest lap record.
