Duramax

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

The LBZ Duramax is, still today, the favorite Duramax of diesel enthusiasts. Produced from 2006 to 2007, the shortest production Duramax, the LBZ produced 360hp and 650lb-ft. of torque. To support the power increase over the LLY model, the block was improved, the rods were forged, and the engine was overall built to withstand more power. Because of this, the LBZ is a favorite … [Read more...] about The 5 Most Common LBZ Duramax 6.6L Engine Problems