[Don]

Got engine all back and running after freeing rings in number 7 ,,new piston,,after running a short time started missing !,changed carb same thing,changed dist and cond, same thing,pulled plug wire off and had spark interminent,only thing left was the rotor,,removed dist ,found a original black rotor in junk box,setup dist again ,installed,ran smooth like it should,,,,first time I’ve run into this,I did have the shaft wrapped in high voltage tape...learn something everday