Quote:
Originally Posted by JackDidley
If you have crankcase pressure you need a catch can. It will keep out from buliding up on the throttle blades, the intake ports , valves and fowling spark plugs. My C6 has 102k miles and has no crankcase pressure. Never burns or leaks a drop. No catch can needed.
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I will ask a stupid question , how do I know if I have crankcase pressure ? Does that mean one of the valve covers would be vented with a small filter on it ?