Quote:
Originally Posted by Detroiter
I will say that after upgrading the coil packs I was able to gap the plugs to .05 where stock was around .032 with no ill effects as the coils were far superior and provided a very good burn in each cylinder.
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Ah! Thanks for confirming.
OP, too small a gap reduces the ignition efficiency because less molecules are heated to the point of activation energy in the combustion reaction.
Too large a gap puts a strain on the ignition coil itself. It has to do with the dielectric strength and dissipation of energy in the collapsing magnetic field set up in the coil.
But we're talking extremes here. Just get the gaps ballpark without fucking up the electrodes and you'll be golden.