Custom tunes made by 608 Tuning
A convienent way to tune your duramax
This product includes an autocal with my tuning pre loaded on it and includes 5 switch on the fly tunes that are as follows
Stock Transmission Tunes
2. tow (turbo braking included on lly and lbz)
3. daily driver tune
4 street performance
5. race tune 100 horsepower on lb7 and lly. 120 horsepower on lbz.
Caution! if abused on the race tune will limp the transmission!
Built Transmission Tunes.
4 street performance 150 horsepower
5. race tune 230 horsepower over stock! this tune will turn your truck into a whole different machine! pure tire shredding fun! I also recommend my tcm tuning at this point.