varrunner,thats what i have.its installed 4 degrees advance.but as the chain stretches it will go back to 0.i went on you tube and looked at vids.the cam timing is installed corectly.i checked the intake gasket.only thing left is thumpers carb.i pm him on facebook.he wont give me no turning advice other than is carbs is ready to run out of the box.this carb was never ran or fired
