I have never heard or seen of a melted or holed piston resulting from too
hot of a spark,
however i have seen firsthand the end result of a hot spark combined with
lean fuel mixtures and over advanced initial ignition timing leading up to
pre-ignition and detonation.
That's not possible, that hot of a spark would destroy the plug first. I
think your confused with retarded timing. Now that'll melt a piston right
And timing to far advanced will also damage a piston, in a high enough
compression motor can even damage a rod.
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