LMM

The Duramax LMM was a monstrous 6.6 liter diesel V8 that General Motors/Chevrolet used in their heavy duty lineup from 2007–2010. Depending on the year and model it was in, the LMM put down 250-365 horsepower and 460–660 lb-ft of torque. Yet, with just a few mods you can seriously transform your truck and make…

From 2007–2010, the General Motors/Chevrolet Duramax LMM was one of the top V8 diesel engines on the market. Powering heavy duty trucks, SUVs, and vans, the Duramax LMM is essentially a Duramax LBZ but with some updated emissions equipment. Depending on the year and model, the Duramax LMM makes 250–365 horsepower and 460–660 lb-ft of…

General Motors released the Duramax LMM 6.6 liter diesel engine midway through the 2007 model year as the successor to the Duramax LBZ. GM mainly introduced the LMM for emissions purposes, as it included a diesel particulate filter (DPF) and other new federally required emissions equipment. While the Duramax LMM makes more power than the…

The 6.6L LMM replaced the LBZ Duramax midway through 2007 due to emissions regulations. One of the big changes to the LMM was the addition of a diesel particulate filter, or DPF system. Alongside the DPF is regeneration cycles that occur to clean the particulate filter and system. While the LMM is actually a very…

Predecessor to the LML and successor to the LBZ, the LMM Duramax was launched mid-2007 and produced until 2010. One of the major changes to the new LMM was the DPF system which had a big impact on fuel economy. Despite the new restrictive exhaust equipment, power output was increased to 365hp and 660lb-ft. of…

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…