Trying to mix gasoline and diesel in most engines will only lead to problems in the long run. But engineers have found a way ...

Engine power is a product of its overall displacement, but two similarly-sized engines with different bore and stroke characteristics don't perform the same.

Jeeps have a reputation for being tough and comfortable on and off the road. Over several decades, though, even they've made ...

Four-stroke engines, which make up 99% of vehicles on the road, rely on a system for managing air intake, compression, combustion, and exhaust within a sealed combustion chamber. Poppet valves are ...

The analog gauge sets are built for HVACR system diagnostics, refrigerant recovery, pressure testing, and charging.

Bore and stroke do far more than define engine size. They help shape airflow, piston speed, torque delivery, and rev ...

Have you ever heard of the Silent Knight? It was a unique engine that ditched noisy valves for a weirder, quieter, and more ...

The Triumph Tiger Sport 660 has been a resounding success for the brand for the last four years, and Triumph has given it the ...

The Boss 302 was Ford's high-revving response to GM's DZ 302. Here's why this V8 punched above its weight class, all the way ...

Diesel engines are capable of putting out plenty of power. But if you don't keep up with maintenance, a few issues could make ...

GM rolled out the 3.0-liter Duramax LM2 as its answer for folks who wanted diesel power in a half-ton truck or SUV, but ...

The true VW Beetle saw its final curtain in 1979, and a celebration special edition was issued for the US market, with just ...