Quote:
Originally Posted by protpibe
You'll want to place the check valve between the intake manifold and catch can. Make sure the valve is allowing air to flow from PCV to Intake Manifold and not the other way around.
Like tut said, the purpose is to stop your crank case from being pressurized. You could technically place the check valve on the other side of the catch can, but I don't think many cans are designed with taking positive pressure in mind. It's easier to just put the check valve after the can and not worry about it.
As for size, I think it's 1/2" inside diameter at the intake manifold but steps up to 5/8". I could be mistaken about that though.
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Thanks for the clarification! I'll be adding this in with the install.
Like @
King Tut said, I think this is more of a precautionary measure, not a requirement. Kind of like the hose clamp solution. It makes sense as long as the valve does its job.
Now to make sure I put the valve in the right direction.
