Can an engine tuner (chip, module or programmer) improve the performance of your diesel pickup truck? The short answer is “yes,’’ but a longer explanation is in order.While manufacturers of aftermarket performance products claim tuners can add 3-4 mpg, the actual savings, if any, largely depends on how and where you drive. By definition, performance products are designed to increase engine output. For example, a plug-and-play Juice Attitude CS programmer from Edge is purported to add 150 hp and 360 ft-lbs of torque (not recommended for stock vehicles) to a Dodge Ram 2500 with a 6.7L Cummins engine.That’s sweet for
