ok, so i have a freind who is going through a 1j swap and is practically giving me his old 7m. i want the head, just do to the case that when/if my head gasket does go, i have a spare head to swap in right away and don;t have to wait for resurfacing... ect. the onlt bad thing is, is that is a california emision supra. is there a way that i can do anything to convert the cali head to a regular emission one? if this has been posted, my bad. tried searching but brought up nothing useful. i would greatly appreciate it if you would post the url if it has. THANX!!