The Porsche 547 and Porsche 547/3 are naturally-aspirated, flat-four, boxer racing engines, designed by Porsche for Formula One racing; between 1960 and 1961
The Porsche 547 and Porsche 547/3 are naturally-aspirated, flat-four, boxer racing engines, designed by Porsche for Formula One racing; between 1960 and 1961 (en)
The Porsche 547 and Porsche 547/3 are naturally-aspirated, flat-four, boxer racing engines, designed by Porsche for Formula One racing; between 1960 and 1961 (en)