Are tuners bad for diesel trucks?
Are tuners bad for diesel trucks? Tuners do not damage transmissions, drivers do. Drivers should practice caution and often times reprogram their truck to a lower HP tune depending on the conditions they will be driving in. For example, stock trucks should not be towing on a 120 HP tune. Which is the best tuner for 5.9 Cummins Ram? For years, Smarty has been regarded as the best programmer available for 5.9L Cummins. Smarty S06 Tuner by MADS Electronics 03-07 5.9L Dodge Ram Cummins ME-S-06-Main 0.00 Smarty by MADS Electronics S-06 How much horsepower does Smarty tuner 5.9 Cummins have?...