Transcription of Sizing Up The Valve Guide - sbintl.com
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Sizing Up The Valve Guide By Dave Monyhan Worn guides will draw oil down the Valve stem and will coat or coke on the port side of the Valve . This will hinder air flow and cause engine performance to be compromised. Too much oil getting down that Valve stem and may cause mechanical failure due to the increased possibility of pre-ignition. Worn Valve guides can also be the cause of Valve heads breaking off Valve stems. When the Guide is worn it no longer guides the Valve concentrically up and down and actually allows the Valve to start flexing and bouncing off the Valve seat at various angles. After a while the head breaks off, and Ka-Boom you have little bitsy parts of the piston, and combustion chamber all combining like a blender and literally grinding that engine to a halt.
Sizing Up The Valve Guide By Dave Monyhan Worn guides will draw oil down the valve stem and will coat or coke on the port side of the valve. This will hinder air flow and cause engine performance to be compromised.
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