Thread: NASCAR ENGINE DRY SUMPs and CRANKCASE Vents
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Old 05-23-2011, 05:47 PM
scottj scottj is offline
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Cobra Make, Engine: Everett-Morrison, 434 cid
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This is a filtered vacuum regulator from from Peterson:




This is what I have always run, a pop-off valve:


I'd be very surprised to see a 4-stage pump produce 20 in/hg.
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