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Originally Posted by Alan in AZ
John what are you sealing it with? the stock gasket above & below the plate or otherwise?
Normy - I think the routing is up to you depending on whether you install a Provent or not. As I see it you could just install this seperator/scrubber and it would significantly reduce oil ingestion alone - with no other hose routing changes.
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No. Without a way for crankcase pressure to escape out through an approx 1" minimum hose, the crankcase pressure will simply blow up the oil drain holes in the heads and out the cam cover vents bypassing the louvered separator.
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But if you install the provent you have to decide how to connect its intake to the oil filler and how to vent it - while to get the blowby/entrained oil to avoid the intake you pretty much have to cap off the stock vacuum ports to the filler neck
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Correct.
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From there you can either vent the provent to air, airpump intake, vac source into the exhaust or back into the intake vac.
That leaves exactly how you vent the cam covers: most obvious options are to T' them into the provent intake (per DR), or just fed them fresh air (perhaps also with cam cover-cam cover balancer like on the GTS) from the airbox bottom as Louie does.
Lots of options - no single best way for all engines/conditions.
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The common required charactistic is to vent the crankcase with a large hose. However you can do that, do it.