A small gap with big importance in the performance and health of an engine - here's everything you need to know.

How often do you hear drivers complaining about weak engine brakes? Some drivers will say the engine brake provides so little retarding power they have to use their service brakes to help decelerate ...

You're driving a loaded diesel rig down a mountain pass, foot hovering over the brake pedal, heart racing. How do you slow 20,000 pounds safely without cooking your brakes? Cue the exhaust brake -– ...

The stricter emissions standards mandated by EPA are no doubt having their most dramatic impact on engine development. And such widespread changes to engines means that changes to engine brakes and ...

Power is both the blessing and the curse of diesel engines, which is where retarders, more commonly known as engine brakes, come into play. Pacbrake explains that since diesel engines lack a retarding ...

Since this Cummins doesn’t have a throttle valve on the intake (like most gasoline engines), there is little engine braking or negative torque created by the crankshaft. This is because the ...

Most modern gasoline and diesel-powered engines found in the cars and trucks seen on today's roadways rely on the four-cycle-engine principles developed in the late 1800s by Nikolaus Otto, Gottlieb ...

Anyone who’s crisscrossed the country has likely seen posted signs that read, “No Engine Brake,” “Residential Area Do Not Use Engine Brakes,” and “Engine Braking Prohibited.” These restrictive ...

Diesels are great engines for tow vehicles. They twist out enough torque to get any load moving without the bad fuel-gulping habits of a big-block engine. But when you ask them for some compression ...

There is so much going on with internal combustion engines (ICEs) these days, it can give you a headache just reading about them. That's why we do the research for you and then cram it into bite-size ...