Join Date: Jan 2019
Location: Sedgwick, Kansas
Could be that there's no baffle inside the valve cover, which means more oil splashing up through the hole. No easy fix for that except to get different valve covers, probably. If your engine is running rough, you might want to do a compression check to make sure your rings are doing their job. If they are not sealing well, the blow-by from exhaust sneaking past them into the crankcase can lead to excessive oil and smoke shooting out your breathers. Lastly, it could just be that your PCV valve/hose is clogged. If it's stuck closed, then none of the fumes in your crankcase are getting sucked out. That means the only place they can go is out your other breather, so it'll keep spitting oil and smoke.
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