The Chrysler Hemi engine, known by the trademark Hemi or HEMI, is a series of high-performance American overhead valve V8 engines built by Chrysler with hemispherical combustion chambers.

1 day ago · The Hemi engine concept is associated with high-performance vehicles and delivering significant power. The term “Hemi” refers directly to a specific type of internal combustion chamber …

Nov 24, 2025 · Learn what a Hemi engine is, how Chrysler’s modern Hemi V8 evolved, key specs, updates, and common issues, plus which vehicles use it today.

1 day ago · Discover how hemi engines work, their performance metrics, fuel efficiency, and key features that set them apart in the automotive world.

Dec 1, 2025 · The name for this type of engine comes from the hemispherical (or semi-hemispherical, to be exact) shape of the combustion chambers. Essentially, this shape allows for the use of two valves …

Oct 6, 2025 · Ram celebrates revived HEMI, but what exactly is the iconic engine? The HEMI engine is named after the engine's hemispherical shaped piston heads. While Chrysler brands popularized and...

The HEMI® engine is a high-performance engine recognized for its hemispherical combustion chamber, which enhances airflow and creates more power. This innovative design has been a staple in …

May 6, 2025 · The Hemi engines are series of I6 (straight-six engine) and V8 (eight-cylinder V configuration engine). What makes this engine design feature unique is the fact that even at the …

Sep 3, 2025 · At its core, a HEMI engine distinguishes itself through the geometry of its combustion chambers—specifically, the hemispherical shape. The term “HEMI,” short for “hemispherical,” directly …

Jun 28, 2025 · Dodge didn't invent the Hemi engine, nor was it the first to adopt the engine design for cars. Allie Ray Welch is often credited for inventing the Hemi in 1901, and brands like Fiat, …