NASCAR ENGINE DRY SUMPs and CRANKCASE Vents

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#18 (permalink)

05-23-2011, 05:47 PM

scottj

CC Member

Join Date: Oct 2000

Location: Crystal Lake, IL

Cobra Make, Engine: Everett-Morrison, 434 cid

Posts: 977

Not Ranked

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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