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Originally Posted by FordFociSHO
Gimic and a total waste of money for any application. There is a reason the standard copper core plug has been used for 70 some odd years.
Read,
http://www.eng-tips.com/viewthread.c...=158647&page=1
Unless you are upping the coil voltage, a simple swapping of spark plugs will not create plasma. If that where the case it would mean that the stock plug was absorbing more energy than it was outputting, this could be checked by simple resistance. Unfortunately that is not the case, for if the resistance in the plug where high enough to cut the voltage that much the coil would have gone bad already. Is your coil bad? |
I couldn't find anything on the "standard copper core" plug being better, except the thinner center electrode being able to last longer without fouling.
"Overall the fine centre electrode J –gap plug could run in extended lean operation compared to the surface gap and ring gap designs. "