I'm new to the duramax world so be easy on me but I've got a buddy who ha his 08 SilveradoHD chipped, hes not sure what kind he bought it that way, but all I know is it hauls ass down the road and leaves mines in a cloud of smoke. The only real thing I know about the set up is that he has 3 fuel...
I have a 6.6 Ltr duramax engine with turbo issues. the turbo making a whining noise when i accelerate and when i take my foot off , i think its called spooling anyway the problem im having is the turbo is making this noise but the turbo doesnt seem to be kicking in at all,
the engine...