09-08-2012, 05:00 PM
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CC Member
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Join Date: Dec 2001
Location: Louisville,
KY
Cobra Make, Engine: I'm Cobra-less!
Posts: 9,417
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Not Ranked
Pass side gets vacuum regulator to keep the wet/vac pump from pulling too much vacuum on the crankcase. Drivers side gets a pop off valve to vent excess pressure. There's also a fitting on the rear of that valve cover for a vac gauge.
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