Primarily focused on the legendary 5.9 Cummins 12v and 24v and modern 6.7 Cummins engines, we cover everything from common problems and maintenance content, to best performance modifications, tuning guides, and more. Additionally, we dig into various other Cummins engines like the 8.3L and the 5.0L.
While both versions of the 5.9 Cummins offered solid power for their times, they are significantly underpowered compared to the diesel engines of today. Fortunately, a handful of performance mods can easily liven it up and give it more life. One of the best upgrades is a 5.9 Cummins cold air intake. An upgraded intake…
Whether you have an earlier model Cummins, or four-digits of torque, you might still be searching for additional power. Upgrading the 6.7 Cummins with a cold air intake system is one of the best performance modifications you can make. In addition to increasing air flow and adding horsepower, a cold air intake reduces stress on…
Whether you are chasing power, towing capacity, or fuel economy, performance modifications are a great option to give your 6.7 Cummins a little extra bite while improving engine efficiency. 6.7 Cummins bolt-on mods are simple, affordable, and effective. With just a handful of bolt-on mods you can add 150+whp and 200+wtq to your Ram for…
The 5.9 Cummins is legendary in the diesel world for many reasons. However, by modern diesel standards it’s a bit lacking in power and torque. Fortunately, it has plenty of untapped potential. A few basic mods can truly take it to the next level. Among the best upgrades is an intake manifold, also known as…
The launch of the 6.7 Cummins included a new emissions system, a diesel particulate filter, or DPF. While the diesel particulate filter and all the other emissions equipment is very good at reducing emissions, it also has its shortcomings. As we discussed in our 6.7 Cummins common problems guide, the DPF system is prone to…
Diesel fuel is a lot less refined than traditional gasoline which means it burns dirtier and releases more harmful exhaust gases. Starting around 2007, diesel emissions standards started to become a huge focus point. Today, all diesel engines have a number of emissions systems, including exhaust gas recirculation (EGR), diesel particulate filters (DPF), selective catalytic…
The 5.9 and 6.7 Cummins diesel engines are common options in Dodge and Ram trucks. These two engines have powered Dodge Ram trucks since 1989. Despite only two primary engine designs for a 30 year span there are many differences. Horsepower and torque can vary wildly by Cummins model year trucks. In this guide, we…
Among the best bolt-on upgrades for the 6.7 Cummins turbodiesel is a downpipe. What is it that makes it such a great mod? In this article, we discuss the benefits of a 6.7 Cummins downpipe and list some of our favorite brands that we recommend to our customers. What Is A Downpipe? The downpipe is…
The 6.7 Cummins in Ram 2500 and 3500 trucks already produces impressive power and torque. However, some owners are always looking for more. Cummins 6.7L diesel engines respond very well to tuning and simple mods. Among those is an intake horn upgrade – also known as the intake manifold. This simple mod offers some awesome…
The expensive cost of adding the 5.0 Cummins to the Titan, combined with various engine issues, and the limited towing benefit over gas trucks caused the engine to be retired after the 2019 model year. You can pick one up a bit cheaper these days, but should you? The 5.0 Cummins itself is a great…
Unlike the more popular 5.9L and 6.7L B-Series Cummins engines used in Dodge and Ram trucks, the 8.3L is part of the C-Series engine family. It does however share the same inline-6 configuration as the ISB engines. The engines are quite similar but the 8.3 ISC is more suited for larger and heavier applications like…
Dodge Ram 5.9 Cummins engines are often regarded as some of the most reliable light truck turbodiesel engines ever. The 12v Cummins, also known as the 6BT, has a legendary reputation for reliability. However, the newer 24v 5.9 (ISB 5.9) Cummins is still an excellent, reliable diesel engine with a few pros of its own….
