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i read that you should change the plugs to ac 42's once you hit the 11's or so.
is there that much of a difference going from 43's to 42's.
i plan on going to the track saturday and i have 7 gals of c16, with new 43's. should i change to 42's ??
is there that much of a difference going from 43's to 42's.
i plan on going to the track saturday and i have 7 gals of c16, with new 43's. should i change to 42's ??
