Quote:
Originally Posted by Chris Nelson
I have found that the Borg Warner #382 PCV valve and a Ford OHV grommett for a PCV valve are the best combination in an 8Ba intake manifold. The specs are;
Closed at idle 16-18 in Hg (Inches of Mercury(Hg) vacuam)
Floats at 8-10 in Hg
Open at 1-6 in Hg
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I have an 8BA, 1951. When I got it someone had removed the road draft tube and simply put in a pcv valve with a hose leading down below the engine (open). I did not know everything I should have, at the time. I had oil leaks around the gaskets, and oil pushed up thru the oil dip stick tube. That is what led me to understanding blow-by crankcase pressure. I then bought a simple pcv valve from NAPA attached a hose to it and connected it to the vaccuum input beneath the carb (initially for the windshield wipers, now electric). That was a few days ago. So I do not know if I have done the right thing yet. Too soon to tell. However, I have read everything on the internet about pcv oil catch cans and I am looking to install one between the pcv valve and the intake manifold hose input. Must I have a special pcv valve or is the universal one sold at NAPA OK. Is there enough vaccuum to pull thru the oil separator. I really need all the suggestions I can get. Many thanks. Peter