Mainstream diesel performance hit a home run when Dodge introduced the Cummins-powered Dodge Ram in 1989. In stock trim, the trucks were reliable yet underpowered, but it wasn’t long before ...

Move over diesel – prepare to make way in the field and on the road for more ethanol-fueled farm equipment and over-the-road trucks. Thanks to work by ClearFlame Engine Technologies, the modifications ...

Diesel engines are renowned for their ruggedness, torque-heavy power, and workhorse dependability — not exactly the characteristics linked to high-revving, supercharged excitement. But in a world ...

Here's the story of perhaps the most legendary diesel engine ever made, the Cummins 5.9L.

The phrase "there are levels to this (expletive)" is easily applied to modifying a diesel pickup truck; especially enhancing its engine's performance. Powertrain upgrades typically range from ...