Best 5.9 Cummins 24v Performance Upgrades
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Best 5.9 Cummins 24v Performance Upgrades

Now long retired, the 24-valve Cummins turbo-diesel that was in production from 1998–2007 has officially obtained legendary status. The 24v Cummins was the successor to the 12v Cummins, and some regard them as the two best turbo-diesel engines ever made. Not only are they incredibly reliable and dependable, but they are very popular in the…

6.7 Cummins VGT Actuator Problem Guide
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6.7 Cummins VGT Actuator Problem Guide

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…

6.7 PowerStroke vs 6.7 Cummins Ultimate Guide
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6.7 PowerStroke vs 6.7 Cummins Ultimate Guide

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…

7.3 PowerStroke vs 5.9 Cummins Ultimate Guide
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7.3 PowerStroke vs 5.9 Cummins Ultimate Guide

If you were looking for turbo-diesel power in the 1990s and early-2000s, you had two main choices: Ford’s 7.3 PowerStroke V8 or Dodge’s 5.9 Cummins I6. These were some of the first modern diesels to have direct injection and turbochargers as standard, opening up entire new worlds of performance opportunities. Though now long out of…

The 5 Best 5.0 Cummins Titan XD Performance Mods

The 5 Best 5.0 Cummins Titan XD Performance Mods

In hindsight, the 5.0 V8 Cummins inside the Nissan Titan XD did not live up to expectations. Nissan only produced the engine for four model years from 2016–2019, and it paled in comparison with their slightly larger 5.6 liter V8 gas engine. Power output was decidedly modest for a V8 turbo-diesel at just 310 horsepower…

Best 12v 5.9 Cummins Upgrades
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Best 12v 5.9 Cummins Upgrades

Among diesel truck enthusiasts, the 12-valve 5.9 Cummins has long been regarded among top engines. The original 12-valve Cummins turbo-diesel lasted from 1989–1999, making 160–215 horsepower and 400–440 lb-ft of torque inside the Dodge Ram. For the time this was pretty exceptional, but nowadays it’s relatively pedestrian by turbo-diesel standards. Luckily, there are a myriad…

5.9 Cummins Cold Air Intake Upgrade Guide
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5.9 Cummins Cold Air Intake Upgrade Guide

The 5.9 Cummins was produced in two different variations by Dodge from 1989 until 2007. The first generation, known as the 6BT or 5.9 Cummins 12v, was produced from 1984 until 1998. It produced 160-230hp and 400-440lb-ft. of torque. The ISB 5.9 Cummins 24v entered in mid-year 1998 and was phased out after 2007 for…

6.7 Cummins Cold Air Intake Upgrade Guide
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6.7 Cummins Cold Air Intake Upgrade Guide

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…