Quote:
Originally Posted by puddinboo
the dipstick tube outlet where it would connect to the ccv is plugged (not vented) thats a huge issue when the ccv freezes and sucks oil into the intake which happened to me last winter and hydro locked my engine and thats the reason for catch can. so my setup is not vented.
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Ok I always thought both the head and block needs ventilation, not meaning venting to atmosphere but vacuum to put out gases. My old honda and Audi both had the head and block running to a Y connector then into the oil catch can then to the intake manifold with a check valve inline. Almost everything I'm seeing online on running a catch can on the m54 doesn't show anything about a vacuum line connected to the block