Why do I need an oil catch can?

Posted by Joel Guerra on

The short answer answer is to eliminate crank case pressure. If you have pressure in the crank case (engine block) building up to a point that could potentially slow down the rotating assembly (rods and pistons) wouldn't you want to alleviate that pressure? Yes!  Turbocharger setups benefit from these the most but there’s more than one purpose of having a properly vacated crank case system. Ever notice your turbo has oil coming out from the inlet? The reason for that is usually, if not always, crank case pressure building up and vacating to the path of least resistance, that being the oil...

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