The Duramax V8 L5P has a displacement of 6.6 liters, which is slightly smaller than the 6.7L engines offered by Ford and Ram. Despite this, the L5P delivers 470 horsepower at 2,800 rpm, making it ...

In the full-size truck segment, the Big Three in Detroit offer three distinct V8 turbo diesels. At the very top of the spectrum, the Ford Scorpion 6.7-liter Power Stroke develops up to 500 horsepower ...

Despite the fact that diesel as a fuel is living on borrowed time, consumers have more diesel-powered pickup truck options than ever before—everything from monster heavy-duty haulers making more than ...

What happened was this: The new Cummins V-engines made great power, produced superior fuel mileage, were fairly quiet, and met the government's strict '07 emissions guidelines that require the exhaust ...

Senior editor KJ Jones’ walk about the Florida Truck Meet’s show area and the Outlaw Diesel Super Series’ race paddock at Orlando Speed World turned us on to a lot of really cool vehicles, many of ...