Agricultural & Construction

If you are seeking better fuel economy,performance or reliability. Black Knight Diesel Tuning started our business based on tuning heavy duty trucks. We offer custom tuning on several models of Heavy & Medium Duty Truck engines. Fleets spec trucks out with low horsepower settings to keep inexperienced drivers from destroying there truck.New owners that purchase a used truck usually find this out after there first load. If you want a factory horsepower uprate,fuel economy tune, or a performance tune on your heavy duty truck, you came to the right place. We have seen fuel economy increases as much as 2mpg with our tuning. With todays fuel prices, you could save up to $9000 a year. We offer factory emission tuning that keeps you CARB legal as well as give you the performance you need.