Originally Posted by MtangKlr

Ok, I'll buy that. But why would a company like ZEX owned by Holley, who's had plenty of experience with nitrous recomend a three prong plug for their nitrous kits when a main rule of thumb in using nitrous is to eliminate or reduce detonation? If it were true that three prong plugs actually increase detonation over say a single prong application then why have them at all? How much of a difference are we really talking about here? Is it marginal?