Newbie Engine build part II

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michiganrider

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Aug 11, 2009
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I have my Weisco .040 over piston & cylinder installed. My Cometic gasket kit didn't come with a new O-ring for the dowel pin.
1) Do I have to install a new O-ring? If so, is the dealer the only place to get one?
2) How often do valve seals go bad? Does the cam & rockers have to be removed to change the seals?

Once its back together, I don't want to take this thing apart again!
 
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