Tag Archives: CCV system

Blow-by 101: What is Blow-by and How to Keep it from Ruining Your Engine

Introducing Blow-by and the PCV System

Internal combustion engines are essentially controlled bombs; air and fuel combust to drive pistons and crankshafts.  One byproduct of this violence is power, but there are darker horses to contend with.  During combustion, high pressure on the top side of the piston pushes combustion gasses, as well as droplets of oil … Continue Reading ››