Thread: NASCAR ENGINE DRY SUMPs and CRANKCASE Vents
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Old 05-23-2011, 07:53 PM
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Quote:
Originally Posted by scottj View Post
I'd be very surprised to see a 4-stage pump produce 20 in/hg.
Would a 3 stage Peterson pump with two std scavenge sections pull enough vacuum for me to consider a relief valve, any thoughts!
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