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Chevrolet and GMC Truck Information: Silervado, Sierra, and Colorado

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Duramax

The 5 Best Duramax LBZ Mods

November 29, 2022 by Jake Mayock Leave a Comment

Best Duramax LBZ Mods Guide

The LBZ succeeded the LLY engine in 2006 and was short lived, being replaced by the LMM in mid-2007. Some notable changes included an upgraded CP3 fuel pump for higher rail pressure and a lower compression ratio which eliminated issues with connecting rod failure in modified LLY's. Part of the reason for the short life of the LBZ was emissions - the LBZ engine has an EGR system … [Read more...] about The 5 Best Duramax LBZ Mods

Duramax LML EGR Delete Guide

November 18, 2022 by Jake Mayock Leave a Comment

Duramax LML EGR Delete Guide

Aside from the DPF filter and other exhaust-related emissions systems, the Duramax LML also has an EGR system. EGR stands for exhaust gas recirculation, which essentially routes exhaust gases back into the engine. EGR systems have a few components, most notably the EGR cooler, than are prone to failure. Additionally, it's bad for engine longevity. Furthermore, it does restrict … [Read more...] about Duramax LML EGR Delete Guide

Duramax LMM DPF Delete Guide

November 7, 2022 by Jake Mayock 1 Comment

Duramax LMM DPF Delete

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 reliable engine, one of its most common problems is DPF … [Read more...] about Duramax LMM DPF Delete Guide

Duramax LLY Mod Guide

September 6, 2022 by Jake Mayock Leave a Comment

Duramax LLY Performance Mods Guide

General Motors launched the Duramax engine in 2000, and it was the innovation the company needed to secure one of the top spots in the Diesel engine market. However, the company soon realized that it must constantly develop the engine to remain competitive. The first significant attempt to improve the first-generation Duramax engine gave birth to the LLY Duramax. The LLY … [Read more...] about Duramax LLY Mod Guide

Duramax L5P Downpipe Upgrade Guide

August 23, 2022 by Jake Mayock Leave a Comment

L5P Downpipe Upgrade Guide

In our 5 Best Duramax L5P Mods guide, we covered downpipes and mentioned them as our favorite exhaust upgrade. While a larger DPF-back exhaust system will provide solid sound gains, the biggest power gains within the exhaust actually come from upgrading the downpipe. Additionally, there are a number of ancillary benefits like lower EGTs and less exhaust backpressure which also … [Read more...] about Duramax L5P Downpipe Upgrade Guide

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