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?

Q. What is a Hemi? A. The design of the combustion chamber influences how well an engine breathes–how efficiently the air/fuel mixture enters and the exhaust gases depart. The combustion chamber also ...

Flame of a jet-stabilised combustion chamber system in the HBK-S high-pressure combustion chamber test rig Even under the changed framework conditions of the energy transition, combustion remains an ...

The Chrysler Hemi motor is a 90-degree pushrod V8, ranging in capacity from 3.9L to 6.4L, and with either natural aspiration or supercharging. The name “Hemi” has been applied to this family of ...

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

It's only natural for minds to run to Chrysler when the word "hemi" comes up in conversation. While Chrysler didn't invent the hemispherical combustion chamber engine, with that honor going to Allie ...