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What I see missing here is the fact that the PCV system does far more than just retain EPA compliance, the blow-by contains dozens of damaging compounds that must be removed as soon as they enter the crankcase by fresh air entering one bank, and the foul nasty vapors evacuated or "sucked" out the opposite bank while still in a gaseous state. If you do NOT ...


I agree with Gary's assessment about the Manifold gaskets. The Olds 3800 is a "workhorse" engine as is the 3.3, only you don't see much of the 3.3's on the shelf or in the shop. As this is an older piece of iron it stands to reason that the gaskets may need replacing. If you have a tuned ear you can hear a leak or at least hear the approximate location of ...

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