Question: do tuners work on gas trucks?
Answer: Using a tuner it is possible to increase gasoline or diesel engine performance up to 99 horsepower and 88 lb-ft of torque on a gas truck, and 120 horsepower and 240 lb-ft of torque on a diesel truck depending upon the model. ... The truck is powerful enough as stock, but you add extra horsepower and it becomes a beast.”