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h20l 08-14-2010 08:32 AM

distributor cap knocking
What would cause knocking from inside a msd distributor cap, does not do it at idle. motor is a gen. v with 781 heads and a 554 lift cam. can someone help figure this out?

eloc431962 08-14-2010 11:32 AM

Either the cap is not fully seated, or it is the rotor is not seated. Check these things .JMO How old is the distributer ? It could be shaft play as well or just worn.JMO


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