Quote:
Originally Posted by glamcem
So if I understand correctly, I will need to add two check valves:
first one on the hose that goes between PCV catch can outlet and intake manifold and the second one on the hose between the breather catch can outlet and air intake inlet, correct?
also, I know the flow direction ( assuming they both need to be added after the outlet ) but how can I tell the flow direction on the check valves? can you recommend a good quality 1/2 " check valve? I believe there are some metal ones like the one I posted..
Thanks again
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You only need one check valve. Place the check valve between the intake manifold and your catch can. Remember that hose actually changes in size as it transitions from the intake manifold (larger) to the hose barb (smaller) on the block.