Re: So I've been reading about Z06 Catch Can
The check valve closes when the intake pressure (source of vacuum for PCV system) goes from negative(vacuum) to positive to prevent boost pressure from going into the crankcase.
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Jerry Downey
JERRYS LT5 GASKETS & PARTS
http://www.jerrysgaskets.com
1994 ZR-1, Black/Black, Lingenfelter Aerobody, 416cu in, 3.91 gears, coil-over susp, Brembo brakes, etc.
2016 Black-Red, 3LT-Z51 Auto 8-speed.
Last edited by A26B; 09-20-2015 at 10:39 AM.
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