The concept of diesel performance used to be a contradiction. It often involved bolting an expensive aftermarket turbo system onto a heavy truck barely capable of getting out of its own black cloud.

For most hot rodders, diesel performance usually means giving a truck more pulling power to get over a hill with a car trailer in tow. But a diesel engine on the race track? We're talking sled pulls, ...

General Motors has been using Duramax diesel engines in certain workhorse models for nearly a quarter century. The 6.6-liter V8 version which powers Chevy Silverado 2500/3500HD and GMC Sierra Heavy ...

Introduced in 2001, the Duramax V8 turbo diesel family was continuously improved over the years until the L5P that GM uses in heavy-duty trucks. Fully stock, the 6.6-liter mill develops 445 horsepower ...

The Duramax engine was introduced in 2001, and it quickly became known for its reliability and performance. The 6.6L Duramax diesel engine has made an appearance in the Chevrolet Silverado and the GMC ...

Theo has dedicated his life to cars. He has studied the only Automotive Journalism course in the world located at Coventry University and describes this passion as a clinical obsession. Give Theo four ...

The L5P Duramax diesel V8 is what powers heavy-duty work trucks like the 2025 Chevy Silverado 2500 HD and is an amazing powerhouse. It didn't exactly start off that way back in 1984 when GM first ...