I just bought some copper exhaust gaskets from jegs for 25.99, that's as cheap as I can get the metal oe ones for a rect. port chevy. I dunno ..now that it's too late...what would you guys run? My passenger side bassett must be tweaked good. I'll try to edit in a pic or 2 when the camera charges. If the copper doesn't fly, what flavor silly cone do I use.... the redish orange high temp perma tack?? Yes I'm going to try the best to fix the warpage the best I can with the funds I have to work with(none but a file). I know this question isn't quite along the cerebral lines of the turbo threadsphss The silicone sounds great if it would work, it also sounds like a pia for as many times as I swap headers.