The Hemispherical combustion chamber brings big power, but is that all there is to the iconic Hemi engine?

While a lot of automotive engines have one spark plug per cylinder, the HEMI V8 might have two per cylinder. What is the ...

Though they're the only engines officially named after their hemispherical combustion chambers, Chrysler's legendary V8s aren't the only mass-produced automotive engines to feature this technology.

The term Hemi used to be synonymous with performance, and Ford's new 1.6-liter 4-banger may soon renew that association compound valve hemispherical (cvh) engine The Ford Compound Valve Hemispherical ...

Thanks to the original Mopar muscle cars from the ‘60s and ‘70s, as well as the Hellcat-powered beasts of today, the HEMI moniker has become almost synonymous with the American V8 engine all across ...

The Hemi name is so tightly welded to Chrysler that it is easy to forget the combustion chamber shape itself is not proprietary hardware. While the company turned the hemispherical head into a ...

Chrysler vehicles have long been renowned for their Hemi V8 engines, which are legendary for their power and performance. Remember the silly “That thang got a Hemi innit?” commercials from the aughts, ...

Hemi engines aren't perfect. Sorry. Half-grapefruit-shaped combustion chambers sure do let designers increase valve sizes, and in the larger displacement Hemis, these valves could probably pass golf ...

The history of the first Hemi engine from Dodge is pretty straightforward, but it turns out that the tale behind the first engines with hemispherical combustion chambers requires going down a much ...

The Chrysler HEMI is as American as engines get, but the U.S. doesn't have a monopoly on the hemi. Automakers from other nations have built hemis too.