Quote:
Originally Posted by JTG1160
most definitely so I get it that that would indicate a defective plug. (MAYBE) On another which was only moderately warm the sound doesn't change which is what drove my original question. Why would one spark plug be hotter than another if both are firing?
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Maybe no power is getting to one plug and the moderately warm plug is getting power intermittently. Maybe the wiring is shot or there's corrosion in the distributor cap towers.
If you want to test the plugs swap them around and see if the problem follows the plug.
ex TRUE GRIT
Edit: Have a look inside the distributor cap for excessive burning of the rotor and distributor cap contacts.