The 6.7 Cummins has been powering the HD RAM trucks since 2007. Learn about common problems, maintenance, and repair on the I6 diesel. Additionally, we have a number of performance mod guides ranging from the 5 best 6.7 Cummins mods to best tuners, intakes, DPF deletes, and more.
A new problem has developed on the 6.7 Cummins, and it’s happening at an alarming rate, enough for us to now consider it a common problem. The factory grid heater has a bolt and stud on the bottom side of it. From heat and deterioration the bolt has a tendency to fall off, which then…
While the 6.7 Cummins turbo-diesel is one of the best modern power plants on the market, it is far from a perfect engine. Unfortunately, one of the biggest issues is the Holset HE351VE turbocharger and VGT actuator failure. When the actuator fails you will run into a number of performance related issues like a loss…
For over a decade now, the Ford 6.7 Powerstroke and Dodge’s 6.7 Cummins have been the top of the line for turbo-diesel power plants. Yet, besides their displacement, they actually share very little in common. For starters, the Powerstroke is a V8 while the Cummins is an inline-six. However, they are two of the most…
Since it first became available for the 2007 model year, the 6.7 Cummins has made a solid name for itself as one of the most powerful and dependable turbo-diesel truck engines. Over the years there have been a number of design changes and problems to be aware of, however. In this guide we are going…
Tuners are easily the best bang-for-the-buck mod for the Dodge 6.7 Cummins. We discussed tuners in our 5 best 6.7 Cummins mods guide, and had them at the top of our list as the best performance upgrade. Tuners can provide significant power gains from a simple plug and play device. There are a lot of…
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 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…
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…
Many also associate the Cummins name with some of the best light truck diesel engines ever. However, no engine is perfect and the 6.7 Cummins diesel is no exception. The 5.9 Cummins legendary reliably unfortunately didn’t translate as well to the redesigned new engine. The new engine received numerous emissions systems that have ultimately been…
