With the newer Cummins diesel engines, computers are an integral part of making them tick. No longer is swapping out injectors or putting in bigger diesel pumps and turbo enough. The brain needs to be altered safely in order to increase both horsepower and torque.
This is where the diesel programmer comes into play. A programmer downloads new information to your vehicle's computer to produce more power. Some of the
items a power programmer alters are:
Fuel injector flow rates
Automatic transmission shift points
Anyone can produce more power, but can they do it safety without shooting the Exhaust Gas Temperature (EGT) to the moon?
We looked around at diesel power programmers--and let me tell you, the aftermarket is flooded with them. Some promise you the world and others are short claiming jet propulsion power.
Read more at http://snowmobile.off-road.com/diesel/project/project-dodge-mega-cab-diesel-superchips-flashpaq-53010.html