Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - 1977 Chevy K20: Engine Suffers from Hesitation/Power Loss When In Drive
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Old 07-16-2012, 12:33 PM
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Sometimes air gets trapped under the seal and (kind of like when you use silicone grease on spark plug boots) the seal wants to pop back up unless the pressure is relieved. Might take a little pinch/squeeze at the top of the seal to distort the ID of the seal just enough to let air out past the valve stem. Or maybe use a toothpick to slip in between the stem and seal.
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