PROJECT GALLERY — Carrera 4 Cam

 Produced from 1953 to 1964, the Type 547 engine was one of Porsche’s greatest motors.  The motor came out of the desire for more revs and more power, something the Beetle derived pushrod motors could not deliver on.  Going from the agricultural Beetle motor to the four cam seemed about as big as a jump as the Wright Flyer to the Saturn V rocket.   By utilizing overhead camshafts, valvetrain mass is lowered, this allows the engine to rev higher before reaching valve float.  As well, flow through the heads can be better optimized as there is no pushrod impeding air...