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Oil cap with AN fittings

600 Views 1 Reply 2 Participants Last post by  robgoof
Level7performance oil caps with double AN fittings. Anyone using one and is it as good as vented valve cover? Just wondering if it’s as effective being in the corner instead of spread out across VC?
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what size an is it?

not lvl7perf but homemade valve cover vent for the catch can on the oil cap.
my can has a return line to the back of the block.
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