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General Motors designed the 3.0L Duramax for use in their full-size half-ton trucks and SUVs. It was created as an alternative to the 6.6L Duramax which is far too big for the half-ton 1500 trucks. The engine was a collaboration between GM and Opel and was introduced as an option in the 2019 Chevrolet Silverado 1500 and GMC Sierra 1500. Although the engine is a clean-sheet … [Read more...] about The 5 Most Common 3.0L Duramax Problems

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 torque. While power levels for the LMM were good when it was … [Read more...] about The 5 Best Duramax LMM Performance Mods

The Duramax L5P is GM's latest diesel in the 6.6L Duramax family. This means it is also loaded with every single diesel emissions system you can imagine. The L5P has selective cat reduction, diesel exhaust fluid, diesel particulate filter, diesel oxidation cat, and exhaust gas recirculation. While these emissions systems are great for reducing emissions, they do come with a … [Read more...] about Duramax L5P DPF Delete Guide

GM replaced the Duramax LMM in 2011 with the LML in part due to emissions requirements. One of the new features of the LML was the addition of he SCR system in conjunction with DEF fluid, which GM claims reduced emissions levels by over 50 percent. However many early model LML's experienced SCR and DEF problems, resulting in expensive repair bills. While the Duramax … [Read more...] about Duramax LML DPF Delete Guide