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.
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 “Variable Geometry Turbocharger” (VGT). The VGT is a common failure point on the 6.7 Cummins. One of the biggest issues is the…
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. The engine has 6.7 liters of displacement and is a traditional inline-6 style motor. Depending on the year and model, the 6.7L Cummins produces…
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…
Currently the longest standing diesel engine, the 6.7 Cummins produces 420hp and 1,075lb-ft. of horsepower. Initially launched in 2007.5, the 6.7 Cummins produced 350hp and 610-650lb-ft. of torque. While earlier years had stout power numbers for their time, it doesn’t quite compare to the 4-digit torque numbers modern diesels produce. Whether you have an earlier…
Launched in mid-year of 2007, the 6.7 Cummins initially produced 350hp and 610-650lb-ft. of torque, depending on the transmission. The engine had a number of small changes in the early years with the biggest changes coming in 2011 when SCR and all the other emissions systems were added. Still in production today, the 6.7 Cummins…
The 6.7 Cummins diesel engine was introduced in 2007.5 as a replacement to the 5.9L due to tightening emissions regulations. Since then, emissions regulations have continued to tighten and various new systems have been added to the 6.7 Cummins. One of the reasons the old diesels remain so popular and expensive today is because they…
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…
Downpipe upgrades are a major topic for any turbo engine. The downpipe (DP) bolts directly to the turbocharger making it an incredibly important piece of the exhaust system. Among the best bolt-on upgrades for the 6.7 Cummins turbodiesel is a downpipe. What is it that makes the DP such a great mod? In this article,…
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…
Article Updated: January 15, 2023 The 6.7 Cummins diesel engine is the latest of the B series engines. It’s a straight-six, 24 valve turbodiesel released for Dodge Ram trucks in 2007. The B6.7 Cummins still lives on in Ram 2500 and 3500+ trucks to this day. Though, it’s been through a few updates over the…
