Just bought a US Plastics check valve. Really nice piece. I have a PCV catch can. Where should I put it? Right above the PCV valve or right off of the vacuum block? I'm thinking off of the vacuum block to eliminate any possible leak/pressurizing of the catch can?
Location of PCV checkvalve
- Thread starter GNICETRY
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1KWIKSIX
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The 3/8" US Plastics PVDF check valve should go in the line coming out of your catch can that feeds back into your vacuum block. If you look carefully you will see some arrows on the end of it. Blow into the check valve to verify which way it flows & which way it checks. You want it to be able to flow in the direction of your plenum. Don't want to pressurize your catch can when you're under boost.
