You might overlook the end gaps of piston rings in your car. They shouldn't be taken so lightly, though, as they actually ...

High-output engines live in a world of brutal cylinder pressures, extreme temperatures and razor-thin safety margins, and the humble piston sits at the center of that storm. When power levels climb, ...

Q:I have a 327 in my '31 Ford that features nearly the same cam and components as the one you referenced recently in Pit Stop (Nov. '12). Since a 1.6:1-ratio rocker arm will push the valve a little ...

Science isn’t fun if we don’t try to break or bend its limits, but sometimes this rebellion doesn’t work. For instance, we don’t make triangular wheels, perforated windshields, or lead pistons for ...

When we here in the modern age think of an “engine,” we are usually thinking of a four-stroke, four-cylinder, gasoline-fed, internal-combustion engine with the valves on the top. But why must that be ...

In theory, Wankel-style rotary internal combustion engines have many advantages: they ditch the cumbersome crankcase and piston design, replacing it with a simple, single-chamber design and a thick, ...

The engine is the lifeblood of a car. It converts fuel, usually gasoline, into physical motion that turns the wheels and makes the vehicles go. Over the years, as technology advanced, so too did ...

In the 1960s, Chrysler built a handful of cars powered by aircraft-style turbine engines. And where does one take a turbine when it's in need of a rebuild? To the original manufacturer, of course.