my exhaust is smoking bad, my motor's overheating, and my supra backfires like shit. is this a bhg or what? i ordered a mhg hks 1.2mm, am i suppose to torque it stock or something else? should i get different head bolts or jus the stock ones. also where can i get a vpc or a lexus afm or 95 supra tt rims? help me out!!!:1zhelp: