The 908 originally was a closed coupe to provide low drag at fast tracks, but from 1969 on was mainly raced as the 908/2, a lighter open spyder. A more compact 908/3 was introduced in 1970 to complement the heavy Porsche 917 on twisty tracks that favored nimble cars, like Targa Florio and Nürburgring. Sold off to privateers for 1972, various 908s were entered until the early 1980s, often retro-fitted with Porsche 934-based 2.1-litre turbocharged flat 6 engines.