The highest torque diesel engines ever made have turned up in everything from small commercial vehicles to powerful locomotives to mining equipment and more.

A little while ago I had one of those immensely annoying – and unwinnable – arguments in an online forum with a guy I’d never met. You’d think the touchy topic was the wisdom of wearing a face mask (I ...

Optimization of vehicle drivetrain performance has been an important endeavor for decades. So too has the quest for increased automotive engine fuel efficiency. Engine torque monitoring aids in both ...

The performance world is full of good tuning ideas. One place that is often overlooked in the search for more power is the exhaust system. For decades, knowledgeable drag racers have been using header ...

Engines in vocational trucks are usually set up to rev higher than their cousins in highway tractors. A greater rev range allows more flexibility for rolling over varying terrain and in rough dirt or ...

The RS 3, on hiatus for one model year, returns to the Audi lineup for 2022 with a familiar turbocharged inline five-cylinder engine — a rare motor these days. It powers all four wheels through a ...

The performance world is full of good tuning ideas. One place that is often overlooked in the search for more power is the exhaust system. For decades, knowledgeable drag racers have been using header ...