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hey beast , u oughta see "lets find out" plug test ------lol
I did, and thought there was a lot to be desired in his testing.
Sure is a lot goofy **** in the marketing world.
If you put enough metal on the end of your plug it will raise your compression for better performance.:D
I had a dual overhead cam hemi design head Fiat Spyder a long time ago around when those Iridium plugs came out.
I normally ran NGK's in it but fell for the marketing BS.
Sure, maybe the electrode might last longer if it ran, but that motor wouldn't even start with those in it, just pop spit and sputter.
Put the used NGK's back and it ran perfect again.