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Mike Check and see if the hole for the pin is all the way through the cam? If so get a press and a drift pin and punch it through. DON'T Scratch the lobe surfaces. If you did this damage you may have other problems Like spring bind you need .110 feeler gauge to fix between the springs on the exhaust and .130 on the intake, This is the blueprint specs I have found. If too tight you need a smaller cam or head work Your piston to valve clearance may also be to tight. I don't have that clearance with me at this time but can check and e-mail you. Is the cam over .600"? Could the cam bearings not be lined up? Pull the motor and recheck. Sorry for your problems. There is no such thing as a too hard camshaft pin. Tool steel works for me. A cheap answer is to get a drill bit cobalt or tunsten and cut the end of the drill bit to fit the hole with .003-.005 tightness. It works. Snap on or Matco have the right drill bits. Good Luck Rick Lake
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