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PCV leak

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L917

New Member
Joined
Mar 2, 2016
Messages
17
I'm only getting -10 of vacuum on my vac/boost gauge. When I unplug my PCV from vacuum block (and leave it open) and seal the port on vac block, vac moves up to -17 (where I would expect my stock setup to be). So... it's something related to my PCV. The grommet is snug, and I tried applying some teflon sealant to the PCV valve to make sure nothing comes out, and nothing. I still lose 6 mmhg when I connect my PCV to the vacuum block. Not sure at this point... I have two breathers (unclogged); one on each valve cover.

Any ideas?
 
Okay the pcv valve is a controlled leak . Pulling vapors from your valley of the block . So of course your vacuum will rise when you plug it
 
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