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Re: Leaking Oil Filler Cap
On the valve cover, rearward of the filler cap, there appears to be some sort of valve with a large rubber hose connecting possible to the air cleaner.
The other valve cover should have a PCV valve connecting to a vacuum source from either on the carb or directly from the intake manifold.
What is that thing on the valve cover?
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'67 GMC 2500, 292, 4spd, AC
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