Performance Diesel Inc. (PDI) recently launched its Big Boss Tuner HD, a hand-held tuner designed for fast and easy installation that will typically deliver a 10 to 15 percent increase in horsepower ...

Engine block cylinder honing is a fairly straight-forward and decades-old practice that hasn’t required a lot of advancements through the years. Shops and garages across the country have peg boards ...

Performance Diesel Inc., the St. George, Utah-based engine performance shop, has its Support the Cause, pink 2001 Peterbilt 379 on display next to its booth in the Pride & Polish area. At the booth ...

The third installment of the 2013 Overdrive Pride & Polish National Championship series begins today at the PDI Customer Appreciation Dyno Event & Truck Show in St. George, Utah, at Performance Diesel ...