Thread: Please help !
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Old 06-02-2013, 11:03 AM
Warlock III Warlock III is offline
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Does it affect the oil pressure? I'm guessing that's why you have the knock.

It sounds like one of the gaskets may be restricting the oil return passage (intake), Or something was left in the intake valley. Your best bet is to pull it apart and check that the manifold gaskets are on the correct sides.

With that much vacuum it's going to be difficult for the oil pump to puck up oil fighting against the crankcase vacuum. Low oil pressure causes knocking and could be sucking who knows how much oil in through the valve seals causing the oil to enter the cylinder and producing smoke.

I might start with the throttle body because If it's not pulling it in there, it's going to try pulling it in somewhere.

Last edited by Warlock III; 06-02-2013 at 11:15 AM. Reason: forgot
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