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Valve lubrication question on 8BA
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11-17-2020, 10:30 PM
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Ol' Ron
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Join Date: May 2010
Location: Chester Vt
Posts: 8,879
Re: Valve lubrication question on 8BA
Another thing you have to realize is the intake valve stem is under Hi Vacuum, but the exhaust is under pressure, and need kubrication or they seze.
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