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  #10 (permalink)  
Old 04-05-2003, 08:01 AM
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I have a PCV in each valve cover and a breather front and back on the manifold, though the back breather is currently blocked off.
I inadvertently tested the effects of 1 PCV vs 2 PCV's by leaving one disconnected from the manifold vacuum port. Tremendous better drivability increase from connecting up the second PCV...engine literally ran smoother.

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