2001 - 2004 6.6L Duramax LB7

Still licking their wounds from the infamous 6.5L debacle, GM dusted themselves off and joined forces with Isuzu in 2001 to release the first 6.6L Duramax LB7 engine featuring the latest in Bosch Common Rail Injector technology. They experienced some injector issues early on, but quickly addressed the problems. The mighty 6.6L Duramax pumped out a respectable 300HP right off the showroom floor. The absence of restrictive emissions on the LB7 allowed owners to get more miles between fill ups than most people thought possible from a 3/4 ton pickup. Most modern diesel engines have great potential for power and economy gains over the factory set up, and the LB7 is no exception. We always like to suggest a cold air intake kit and a free flowing exhaust system to lower EGT's and increase MPG's and power. A good tuner will help you pull those steep hills with ease and also get you some huge power and economy gains. If you're feeling the need to smoke the tires at your local drag strip or dominate at the truck pulls, then we can help you out there as well.