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Old 05-04-2004, 01:33 PM
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Valve Stem Seals

Could a rocker not sitting central on a valve stem cause excessive side loading of a valve stem, causing valve stem seals to become leaky?

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Last edited by HJCHEVY400; 05-04-2004 at 01:49 PM.
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Old 05-04-2004, 01:56 PM
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Yes. As the valve opens the contact point moves across the tip of the valve. You want the rocker arm to be centered on the valve at the mid point of valve lift.
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Old 05-04-2004, 02:09 PM
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2 rockers at the moment don't sit nicely in the center. But i'm afraid to undo my screw in studs on these to adjust my guide plates in oreder to get my rockers aligned, as I don;t know if the engine builder loctited these in, and I don't want to snap them in the head. I've tried to loosen them, but there EXTREMELY tight.
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Old 05-04-2004, 04:01 PM
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It also eats up the valve guides, I have done it... it was my lesson in valve train geometery.


Ben
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