Density Speed and Performance - EFILive AutoCal V3 w/ Custom Tuning - 2001-2010 LB7/LLY/LBZ/LMM Duramax

The Pre-Loaded AutoCal V3 from Density Speed & Performance for your 2001-2010 Duramax. This AutoCal includes 1 single tune or 1 DSP5 set of tunes for your truck based on your selection. DSP AutoCal’s have different power levels based on the truck and the modifications you have done to it. Pricing varies depending on the injector sizing, so when ordering please be sure to pick the option(s) that corresponds to your modifications! The power level of tunes you will receive for your Duramax will vary based off the modifications to your truck. Generally, DSP tunes will follow this specific order: Switch position 1=Stock/Factory (as close to stock as possible), 2=highway/econ 3= tow 4=street 5=race Unless we notify you differently when sending the tunes, this will be the power levels you receive when ordering a DSP5 tune TCM Tuning Add-On Revised shift schedule to improve drive-ability Improved shift timing Re-designed torque converter lock-up strategy Allows power transfer from the engine to the wheels more directly via TCC lock-up