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Old 08-07-2011, 05:08 PM
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Jerry Clayton Jerry Clayton is offline
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Join Date: Jul 2005
Location: Bartlett, Ill
Cobra Make, Engine: Everett-Morrison LS1
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Without a properly setuo ventilation system you will have blow by, and leaks--

You should have a pcv valve plumbed into one of you valve covers and plumbed to intake manifold vacume--The other side cover should have a filtered breather
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