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Old 07-25-2020, 06:30 PM   #2
95 imp
Dumb Ass Deluxe
 
Drives: A Tricked Out Mountain Bike
Join Date: Jun 2019
Location: Arizona
Posts: 1,963
The high pressure (crankcase/valve covers) gets sucked into the low pressure (intake manifold). The pcx valve regulates it and the catch can tries to keep oil, water, etc out of the manifold.
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