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Registered
Join Date: Oct 2008
Location: Nash County, NC.
Posts: 8,567
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You want to check it in comparison to the other 5 and that will let you know. There can be guides needed or cutting the faces of the valve or just a carbon build up on the valve face keeping it from closing completely.
If the engine is on the floor, any numbers would be suspect without running it through several heat cycles.
Bruce
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