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

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 ...

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?

DETROIT — Stellantis is resurrecting its popular V-8 Hemi engine for its Ram 1500 full-size pickup trucks beginning this summer. The return of the 5.7-liter engine comes after the company discontinued ...