Posted by Bob M on June 09, 2012 at 16:56:55 from (69.207.87.163):
In Reply to: 450 coil posted by P and R Pete on June 09, 2012 at 16:24:12:
A coil running too hot to touch says you've got 6 volt coil being fed 12 volts!
Wiring a ballast resistor in series between the ignition switch and the coil primary will solve the problem. Or replace the coil with a 12 volt coil (it will be marked "no external ballast resistor required" or similar....)
Incidentally a properly operating coil will become only a bit warmer than the metal distributor housing. Ie. it will be cooler than nearby engine surfaces.
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