Originally Posted by Guitplayer
45 is a "town" plug intended for short trips, and has a higher heat range to keep deposits burned off the plug tips."
By description, this makes more sense to use.

Just don't make many highway trips- - - -extended periods at full coolant temperature and cruise speed will blister the porcelain insulators and melt the ground electrodes.
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!
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