Our Duramax category is dedicated to all things Duramax diesel. We have tons of upgrade guides, engine problems, DPF deletes, and everything between for the Duramax 3.0L, L5P, LB7, LBZ, LLY, LML, and LMM diesel engines. Check out some of our content like the best Duramax L5P performance mods and the most common 3.0 Duramax problems. Scroll down for more content or check out our individual Duramax categories for a specific engine.
One of the most restrictive components on the Duramax LMM is the factory downpipe. It is crushed and limits exhaust flow leading to increased backpressure. Ultimately, this leads to higher EGTs, decreased engine efficiency, and puts more stress on the turbocharger. Upgrading the factory downpipe to a larger 3″ performance downpipe is one of the…
The LBZ produced 360hp and 650lb-ft. of torque. It’s lack of emissions systems and easy power gains make it common to modify. A handful of bolt-on upgrades can easily add over 100whp to the LBZ for just a couple thousand bucks. This guide is going to cover the best bolt-on modifications for the Duramax LBZ….
Aside from the DPF filter and other exhaust-related emissions systems, the Duramax LML also has an EGR system. EGR systems have a few components, most notably the EGR cooler, than are prone to failure. Additionally, it’s bad for engine longevity and restricts performance. For both performance and reliability reasons, deleting the LML’s EGR system is…
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 failure. These engines suffer…
The Detroit Diesel Series 53 engines have been in production for more than six decades. Detroit Diesel, a subsidiary of General Motors, introduced the Series 53 in 1957, and it is still being made today. GM put the engine in several medium duty trucks, commercial trucks, and boats. The Detroit Diesel 53 Series has even…
With the capability of the stock turbocharger, the LLY Duramax left tons of power on the table. These engines are capable of pushing beyond 500rwhp with just a few bolt-on mods, and an upgraded transmission. In this guide we are going to cover the LLY’s power limits and discuss the 7 best performance upgrades to…
In our 5 Best Duramax L5P Mods guide, we covered downpipes 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…
With the same displacement but different fuel types, the 6.6L gas L8T and the 6.6L Duramax diesel L5P engines certainly make a name for themselves when it comes to pulling their weight. Choosing between them, however, can be a much harder task. If you’re not sure which 6.6L V8 motor to choose for your work…
The 6.5L Detroit Diesel engine was introduced in 1992 as the new and improved version of the 6.2L Diesel engine. Detroit Diesel designed the engine for General Motors, and it was the second collaboration between the pair, following the earlier 6.2L Detroit Diesel engine. While most of the 6.5L engines were sold with a turbocharger…
When it comes to powering your Chevrolet pickup truck, deciding between the available engine options can be a challenge. It’s not so much about displacement, but more a question of capability and, like many things automotive, what all can go wrong (and how much it will cost you). To help you decide between the 3.0L…
The 6.2L Detroit Diesel debuted in 1982 as a collaboration between General Motors and Detroit Diesel. The engine was naturally aspirated and powered by diesel. It was available in every application of square bodies from 1982 to 1991. The engine had two versions — the C and J code. The C code was a lighter-duty…
The 2.8L Duramax is an inline-four-cylinder configuration with a variable-geometry turbocharger. With 181HP and 369 lb-ft of torque rating, the engine can tow up to 7,700 pounds. Compared to other engines in the Colorado and Canyon lineup, the engine has an impressive fuel economy. The 4WD has an EPA-estimated 20/29 MPG for city and highway…
