QUESTION: I have a boat powered with a 5.7 liter V-8 inboard engine. The crankcase hoses that go from the top of the valve covers and vent into the carburetor are always blowing steam. The engine h… ...

On a typical 500-horse engine, the modified Ford-style pump used in our standard kit generally creates 8-12 hp on an engine dyno while the Moroso pump gains 15-25 hp." ...

Every engine has some sort of crankcase ... contaminated oil. The PCV system's job is to remove this unburnt mixture and ... systems that use mechanical or electric vacuum pumps.

BMW’s patent introduces a more sophisticated system that utilizes a venturi pump to mix crankcase vapors with fresh air. Additionally, the system includes a separator to remove oil from the vapors.