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

After years of driving Ram's HEMI-powered trucks, one owner explains what surprised him most about Ram’s new Hurricane engine ...

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 original Hemi was introduced way back in 1951, representing the latest and greatest standard engine of several full-size Chrysler models. Naturally, things have evolved since then. The Hemi found ...

Stellantis, the parent company of Chrysler and RAM, caused quite a ruckus in 2024 when it announced it would discontinue the legendary HEMI engine in its RAM trucks. However, the blowback from this ...

The HEMI engine is named after the engine's hemispherical shaped piston heads. While Chrysler brands popularized and trademarked the name, HEMI-style engines were developed in the early 1900s. The ...

During a media briefing in Detroit today, Ram CEO Tim Kuniskis celebrated one year since his return to Stellantis in 2024. A lot has happened since then, but Ram is back on the right track and primed ...

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 ...

Fantastic sound. The smell of burnt rubber. Ridiculous power. Chrysler's HEMI V8 family had all of these traits since the first 331-cid (5.4-liter) FirePower unit entered production in 1951. The ...

Stellantis has confirmed it plans to build more than 100,000 Hemi V8 engines in 2026, a huge increase that indicates the automaker understands there is still very real demand for traditional V8 power, ...