Duramax Lifetime Supporter
Join Date: Feb 2012
Location: Walton, WV
Did you ever upgrade the turbo mouth piece, they were a known problem on the LLY. That seems a little warm for me but I don't think as long as the fan comes on and cools it down that it's going to harm it, also make sure to use tow haul mode anytime you tow and keep the rpms up on the engine.
2001 2500HD 4WD EXTENDED CAB LS,
S&B CAI, 4" STAINLESS STEEL EXHAUST, EFI LIVE FROM ATP TRUCKS, EDGE CTS, PPE BOOST VALVE, BANKS INTERCOOLER PIPE, AIR DOG II 165, REBUILT TRANNY WITH SUNCOAST KIT, TRANSGO SHIFTKIT AND BILLIT TORQUE CONVERTER, NEW UPGRADED TAILSHAFT, PUMP RUB FIX ON TRANSFER WITH NEW ALUMINUM TAIL SHAFT, NEW TOW MIRRORS, NEW GAGE HEAVY DUTY FRONT AND REAR BUMPERS, BEANS SUMP, FUMOTO VALVE, RARE PARTS TIE RODS WITH COGNITO PISK, MAD JACK FUEL FILTER ACCESS DOOR, STAINLESS STEEL SPEED BLEEDERS.
2011 GMC 3500HD DUALLY Welding Bed, 4WD CREW CAB, 4" downpipe back exhaust, def delete, egr delete, with new LB7 up pipe, pcv reroute, Fass 150, EFI live with DSP 5, HSP CAI. Air Lift Air bags. PPEI transmission tune.