I have wondered the same thing but for some reason most of the time I check my plugs they are already at the gap I need- In fact, I've even wondered if I was checking them correclty, have bent them and then regapped them to be sure-pretty funny!
'51 Chevy 1/2 ton w/'62 261, HEI, offy, fentons, dual carter/webbers, t-5 & 12 bolt posi
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