1971 Porsche 917 Porsche 4494cc Flat-12. 1966 Porsche 906 Porsche 1991cc Flat-6. 1971 Alfa Romeo T33/3 1966 Porsche 906 Porsche Flat-6. 1971 Lola T212 FVC Ford Cosworth FVC 1798cc 4cyl. 1966 Porsche 906 Porsche 1991cc Flat-6. 1966 Porsche …