For a brief period in between the Gen IV 6.0L Vortec and the Gen V 6.2L EcoTec3, GM produced a 6.2L Gen IV Vortec engine. It was predominantly used in the Escalade, Yukon, and Denali vehicles but was also offered as an upgrade over the 5.3L Vortec in the Sierra and Silverado 1500 trucks from 2009-2013. In addition to its use in the luxury full-size vehicles a variant of it was … [Read more...] about Ultimate GM 6.2 Vortec Engine Guide
The 5 Best Duramax LBZ Mods
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
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
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
GM 6.6L L8T Engine Guide
Are you looking for information on the GM 6.6L L8T Gas Engine? This article will discuss GM and Chevy's new 6.6L gas engine, covering engine details and features, specs, performance potential, and problems and reliability. What is the GM 6.6L L8T Gas Engine? GM's 6.6L V8 engine is the gas-engine option for 2500HD and 3500HD Silverado's and Sierra's. It is a larger and more … [Read more...] about GM 6.6L L8T Engine Guide