Thread: NASCAR ENGINE DRY SUMPs and CRANKCASE Vents
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Old 05-15-2011, 04:43 PM
spookypt spookypt is offline
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"Hi Matt, in NASCAR today, engines run with around 20-psi vacuum in the crankcase. Dry sump pumps have their scavenge sections designed to create vacuum. A check valve is added to suck air into the crankcase to prevent excess vacuum. Regards Marcus"
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