massive reconfiguration time again.

Usually the wire gap thing is for iridium plugs most say do not regap. The hotter plug is not for mom and pop cars only.318 recommended 12 champions which are 2 steps hotter than ngk 7.A plug is a plug the 7 ngk is a std tip non resistor the 12 champ is a projected tip resistor.Some people like the projected tip for self cleaning and it reduces timing requirement a little.rc9yc champ is about 1colder than 12 and 1 hotter than the ngk 7.

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