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Old 08-04-2014, 09:19 AM
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OldWoodsDiesel OldWoodsDiesel is offline
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thanks Glenn, but now that i think of it, stem seals shouldn't have anything to do with compression as the valves are seated against the head to close off the cylinder during compression.

the valves stem seals are to keep exhaust and intake gases out of the valve cover during intake and exhaust strokes... ...right?
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