OK..dumb question..it is Supposed to suck air.. OK Just did the Seafoam treatment..and WOW after the smoke cleared it sure runs ALOT crisper..But...still the ticking.. Tonight im gonna put in some Lucas Oil treatment.. This is insane. OK IF I have an exhuast leak.. I can pull the plug wires one at a time right? And if I do, when I reach the leaking Exhuast cylinder it should stop right? Well..Im still tryin <img src="/forums/images/graemlins/shiner.gif" alt="" />