Modern diesel engines are impressive animals. Simply adding a programmer can boost performance by nearly triple digits, which ultimately leads to the insatiable ...

The first truck was an '01 Chevy LB7 Duramax that was outfitted with an intake, exhaust, and Quadzilla programmer from Underground Diesel Performance. A diesel truck was the perfect choice for ...

Early in the history of Duramax engines, GM changed the LB7 series of engines to LLY, but it can be difficult to tell them apart. Here’s how.