The 6.4-liter and 6.7-liter Power Stroke Diesel engines are different sizes and made by different manufacturers -- one by ...

Most diesel truck owners understand how to put diesel exhaust fluid (DEF) in their trucks. However, some make the mistake of getting DEF in their fuel tank instead of the dedicated DEF tank. As the ...

This story should end with a $15,000 invoice and a grown man staring numbly into the distance, wondering how a perfectly ordinary fill-up turned into a disaster movie without warning. But like most ...

When it comes to optimizing the performance of your Duramax diesel engine, few upgrades spark as much conversation as the EGR delete. If you’re serious about maximizing horsepower, lowering exhaust ...

General Motors has long been a name associated with producing powerful cars, trucks, and SUVs. But since 2000, GM's diesel power has pretty much been personified in the turbo-charged Duramax diesel ...

If you own a 2011–2016 Chevrolet Silverado or GMC Sierra packing a Duramax diesel engine under its hood, thanks to a proposed settlement in a class-action lawsuit, you may be entitled to some cash in ...

A review of performance testing by a global supplier of fuel detergents indicates growers can save fuel and reduce emissions by including additives at fill-up, regardless of their choice of petroleum, ...

CINCINNATI (CN) — A split three-judge panel in the Sixth Circuit upheld the dismissal of a RICO claim against General Motors on Wednesday but reinstated state claims that the auto giant lied about its ...

I can’t help but think of Tommy Callahan’s glue-sniffing fairy speech when I hear about product guarantees. How well can you trust a company’s guarantee, when there are likely countless little ...

Duramax LB7 V-8-powered G-Body 1978 Chevy Malibu was one of the coolest work-in-progress drag cars at Florida Truck Jam. Senior editor KJ Jones’ walk about the Florida Truck Meet’s show area and the ...

Forbes contributors publish independent expert analyses and insights. Michael Teo Van Runkle is a journalist who covers the auto industry. For the past two years, the Silverado ZR2 pickup truck served ...