Combining ECM calibration with a diesel delete kit removes the EGR and DPF systems entirely, allowing the tune to operate ...

Readers of this series will discover new thoughts and ample reinforcements for building consistent, powerful, and competitive Saturday-night engines. Jencks lays the hard-core foundation and McFarland ...

Still can't figure out the difference between horsepower and torque? Here's the simplest, plain-English guide to engine power you’ll ever read.

What do you brag about when you talk about your high-performance car? Most likely, you’ll talk about the engine displacement, number of cylinders, and the overall horsepower. Torque tends to take a ...

In the current market, it is common to see new diesel trucks putting out over 1,000 lb-ft of torque from the factory. That's just in the consumer space. When it comes to heavy-duty industrial ...

But I wasn't saying that the torque curve between a high revving engine was the same as that of a low revving one, but merely that all torque curves are basically the same overall shape (there's going ...

The HT383 has been available for a number of years now, and it's an excellent repower option for you GM (on non-GM) truck or 4x4 thanks to its rated 325 hp at 4,500 rpm and 415 lb-ft of torque at ...

Anyone who has lived on a healthy diet of off-road and performance magazines has gotten a pretty good taste of the dyno process, even if it's just served on the printed page. It looks pretty exciting: ...

Nathaniel is an experienced automotive writer with more than 10 years of automotive writing under his belt. From model reviews to industry politics to new innovations and development, he covers a wide ...