Duramax

Duramax LBZ Guide to Performance & Cold Air Intakes If you had the 8.1 Vortec engine in your truck instead of a Duramax, I'd probably be telling you an intake is a waste of money. However, for turbo-diesel engines it's one of the first mods we recommend for people just getting started. Outside of an upgraded intake being a building block to more power, it is probably one … [Read more...] about Duramax LBZ Upgraded Performance Intake Guide

Following the LBZ being phased out in mid-2007, the LMM Duramax took its place as Chevy & GMC's diesel truck engine. Following the same 6.6L powerplant, the LMM was introduced due to continuously increasing diesel emissions regulations and lasted until 2010 when it was phased out for the LML. Compared to the LBZ, the LMM added active regeneration cycles to the diesel … [Read more...] about The 5 Most Common LMM Duramax 6.6L Engine Problems

Hitting Chevy and GMC trucks starting in 2004, the LLY Duramax is the 2nd version of the 6.6L V8 Duramax. In order to meet stricter emissions regulations, the LLY replaced the LB7 engine and was the first Duramax to use EGR emissions technology. In addition to EGR, the LLY switched over to variable-vane turbocharger (VVT) which helped improve engine performance over its … [Read more...] about The 6 Most Common LLY Duramax Engine Problems

Introduced in 2001, the LB7 is the OG 6.6L Duramax. This engine is the base platform that today's 6.6L L5P Duramax is built off of. Spanning six different variations and nearly 20 years of production, the LB7 has certainly proved to be a reliable and durable platform. 2001 year models were pushing 235hp and 500lb-ft. of torque. By the end of its production in 2004, the LB7 … [Read more...] about The 5 Most Common LB7 Duramax Engine Problems – 6.6L V8 Diesel