Quote:
Originally Posted by Kremer930
I have heard closer to 18 but can be increased by denting in the housing with the back of a screw driver etc. this increases the spring pressure inside. Would still be surprised if it holds to 23 though.
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Its definitely 20psi at least, I heard that a few cars here have run 19-20psi on the OEM metal BPV.
Can read on the thread below that the max is closer to around 23psi depending on wear, anyone on pwrx tried 22psi on the stock metal bpv?
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Last edited by RJ999; 05-06-2015 at 02:00 PM.
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