General Motors is currently investigating reports of an occasional misfire affecting vehicles equipped with the 3.0L I6 LZ0 ...

When choosing the right truck for you, what's under the hood determines many factors. Horsepower, torque, towing capacity, and fuel economy are just a few of the considerations that differentiate one ...

Last winter, I put a Garrett PowerMax Stage 1 turbocharger on my ’07 truck’s 6.6L Duramax engine. The truck ran great until I slipped my 30-foot toy hauler on the gooseneck. On the first long grade I ...

General Motors' LBZ Duramax Engine is one of the most reliable engines ever built. Over the years, the LBZ and other Duramax engines have carved out a reputation for durability, reliability, and long ...