Quote:
Originally Posted by turbotalon1g
Why don't you guys Y them together into the catch then to a vacuum source?
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This would work fine while the engine is under vacuum, but during an engine load (boost) there will be no place for the blowby and crankcase gasses to go so pressure will build up. To fix that problem though I have a few ideas assuming the 3-port catch-can as pictured in the original post. The top nipple where the filter used to be can either be run to the intake pipe, or, a KV can be placed there between the can and small breather filter. This will prevent incoming air during vacuum conditions, but will allow pressure to escape (with KV/filter) or slight vacuum to be present (routed to intake pipe). Please let me know if this doesn't make sense, I typed this fairly quickly while at work.