I got the knock down considerably with the headers but im sure theres still a little there. You know those knocking retards are difficult to get rid of
why not pulley up to a 3.6 for now? then put your rockers in and scan it and you'll be safer to put a 3.5 or 3.4 back on
Originally Posted by Reptile
It sounds like you accidentally stuffed a midget in the downpipe, and he's hammering out an SOS to get out.