What in the hell are you doing?!!! Just buy Nate's bottom end (89 turbo...6M crank) and my rebuilt head, and I'll throw in some other stuff you'll need, and you'll be boosting proper, in no time! Don't do an NA-T.= Royal PITA!!!:aigo: I also have a Cometic 2mm mhg, ARP's, and a full head...