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Message: <blockquote data-quote="Pappy" data-source="post: 451290" data-attributes="member: 3278">On aftermarket coils the center laminates are known to have excessive air gap. This will contribute to weak or no spark. This is very easy to see if you have a set-up ring to set the air gap up with. Not possible in your case. Aftermarket points sets are notorious for having extremely poor line up between contacts. There is no substitute for OEM parts for carburetors, water pumps, and ignition components. To answer your question about magnets getting weak. Yes, possible, but usually found on engines from the earliest through the 1930s vintage. Crude but take a screwdriver and dangle it between your thumb and forefinger and lower it into the flywheel in question. Move it toward the magnet end and see if it snaps over to it. It should be a fairly healthy pull. Your issue is a fairly common one and I do believe that if you switch to OEM coils and whatever else is non-OEM your issues will go away. </blockquote>