porsche 934To homologate the Typ 934, Porsche’s first turbocharged, production-based racing car, for FIA Group 4 endurance racing, the Stuttgart manufacturer was required to build 400 911 Turbo street cars. Not simply a hhly successfulPorsche 934 & 935. Prepared to FIA Group 4 and 5 rules, the 934 and 935 are racing versions of the 930 911 Turbo that dominated race tracks in the late 1970s. So dominant, in fact, that a 935 won Le Mans outrht in 1979, besting the prototypes in the field.