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 ...

For most enthusiasts, the word “Hemi” belongs to Chrysler, yet Chevrolet quietly touched hemispherical combustion chamber design long before and after the muscle car wars. From an early luxury V8 to ...

The 1960s are littered with a plethora of high-performance powerplants, often with overlapping names and terms. The 426 is a victim of such naming conventions, with two prominent engines boasting 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.

Chrysler may have trademarked HEMI, but the Detroit carmaker did not invent hemispherical engines, which appear in numerous cars from Europe and the U.S.