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Re: Stromberg WW Main Jetting Recommendation
Quote:
Originally Posted by Rddau
Is this the pcv valve? Middle of valve train, under the cover?
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In this picture the PCV valve is right next to the spark plug wire holder under the valve cover. Looks like a little pipe fitting with a hex head and a small hole in the top. If a GMC V-6 does not have a breather hose going to the air cleaner from a cap on a valve cover or the back of the block, there is a small separate breather air filter in a small can behind the left (driver's side) head. Looks like you have a cap with a hose, so there would not be a separate breater air filter.
You should have a vented gas cap. When your truck stalls quickly pull the gas cap off and see if a vacuum is building up in your tank.
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1967 GMC CM-2500 Camper Cruiser, 351E V-6, NP 435 4 speed, Dana 60, and factory A/C. 2012 GMC K-3500 WT regular cab, 6.0L Vortec, 6L90.
Last edited by Bob B.; 07-02-2022 at 01:46 AM.
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