The 5.9L Cummins diesel engine is best known for its time when it powered Dodge trucks beginning in 1989, and it's an engine that certainly helped propel the Ram into being one of the top pickup truck ...

Hands up who knows the difference between a tractor’s rated and maximum power? Or what the perfect torque curve should look like? How about torque rise? Or six-point fuel tests? If this mumbo-jumbo ...

It's so easy for enthusiasts to get excited about horsepower numbers, rpm levels, and sound, while skipping some very key factors of a well-designed engine. Some build requests are realistic while ...

Horsepower and torque are the two common units of measurement to describe the capabilities of an engine. Of course, if a little of anything is good for most hot rodders, a bunch is better, so the ...

What a difference a little extra engine torque makes. I recently had the privilege of being one of the first drivers outside of test fleets to put a new fuel economy and performance concept from Volvo ...

In the middle of the muscle-car horsepower wars, the 1970 Buick GS Stage 1 quietly rewrote the rulebook by proving that raw ...

Which is better? Here’s how you quash that bar-night debate. Yogi Berra, never known to dwell on engine particulars, would have concluded that torque and horsepower are the same thing, only different.

The two faces of Tornado. The engine is shown here is from the J-Series Wagoneer or truck configuration with the standard paper air filter and a generator fitted. Story by Jim Allen Jeep's ...