During the 10 years Diesel Power has existed, the engines offered in ¾- and 1-ton trucks have evolved to make more and more horsepower and torque. While a little more than 300 hp and 600 lb-ft of ...

LML, like many other GM product codes, doesn't stand for anything at all, and is merely a sequence of letters meant to denote ...

GM’s leaked powertrain guide for the 2017 model year denotes that the L5P figures are SAE J1349 certified, which means that the numbers were derived using the latest standards and specifications in ...

If you've been considering a Ram or Ford heavy-duty truck for your next purchase, you might be wondering about how the 6.7 Cummins and Ford 6.7 Powerstroke compare, and understandably so. These two ...

Ram's biggest off-roader now has the grunt to compete with rivals from Ford and GM, and it only had to get rid of its winch.

We love dyno events. Mostly, they involve standing around watching diesel trucks blow smoke and run up to more than 100 mph—yet go nowhere. And that’s fine with us. You see, a dyno measures power ...

Diesel never caught on in the United States of America because it’s not as fun as its high-octane counterpart. Even though diesel is popular in Europe because it’s cheaper than gasoline, the U.S.