Check Ebay- - - -there are dozens of new AC "46" heat range plugs- - - -just pick some with the right thread length. Just DO NOT get out on the road for more than a short trip with a plug that hot.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!