alright i have a 2006 pontiac gto 6.0 motor is now bored and stroked to 408 ci cnc ported stock cathedral port heads with new stainless valves and double springs good for 670 lift. LS Xceleration...
Type: Posts; User: Boatracer540
alright i have a 2006 pontiac gto 6.0 motor is now bored and stroked to 408 ci cnc ported stock cathedral port heads with new stainless valves and double springs good for 670 lift. LS Xceleration...
anyone able to help me get a desirable tune for new engine and upgrades. car was tuned but somehow tune file was erased accidently. tuner wantd more money to tune it again, Can anyone help, thanks in...