LLY Vs. LBZ – A Comparison of Two Best

The Duramax diesel engine is a popular choice among truck enthusiasts due to its impressive power, fuel efficiency, and durability. Two of the most well-known Duramax engine variants are the LLY and LBZ. In this article, we will compare these two engines and explore their similarities, differences, and strengths. First, let's take a look at the LLY. This engine was introduced in 2004 and was used in Chevrolet Silverado and GMC Sierra trucks from 2004 to 2005. It features a 6.6-liter V8 engine with an output of 310 horsepower and 605 lb-ft of torque. The LLY uses a variable geometry turbocharger (VGT) and is equipped with an exhaust gas recirculation (EGR) system to reduce emissions. The LBZ, on the other hand, was introduced in 2006 and was used in Chevrolet Silverado and GMC Sierra trucks from 2006 to 2007. This engine also features a 6.6-liter V8 engine, but with an output of 360 horsepower and 650 lb-ft of torque. The LBZ uses a larger and more efficient VGT and features an impr...