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

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

The most recent generation of the 5.7-liter HEMI V8 engine was introduced in 2009, replacing the previous iteration that had been in production since 2003. The 2009 engine boasted a number of ...

After two decades of production, the third-generation 5.7 Hemi V-8 has amassed a solid reputation as Chrysler's bread-and-butter workhorse and high-performance platform. In that time, the company name ...

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 ...

Stellantis said it is resurrecting its well-known V-8 Hemi engine for its Ram 1500 full-size pickup trucks beginning this summer. The company had discontinued the 5.7-liter version of the engine amid ...

Many people have heard of Hemi engines, but don't really know what they are. To cut a long story short, Hemi is an abbreviation of "Hemispherical". The name arose because of the shape of the ...

Brian is a published author who has been writing professionally for a decade in politics and entertainment, but found his calling covering the automotive industry. His love of cars started at an early ...

A close-up of a supercharged Hemi V8 engine in a vehicle engine bay. - pporiphotos/Shutterstock Many people have heard of Hemi engines, but don't really know what ...