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Old 12-03-2012, 08:46 PM   #4 (permalink)
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Join Date: Nov 2010
Location: coarsegold,ca

Brass N Wood Fan
Have you tried polishing the end of the valve body where the cup seal rests.
Might do the trick. (works when nothing else does).
And are you using a palmers dyna valve pin. They do seem to seal better (I think they are a softer durimeter cup seal).
Is your valve spring new or old.
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