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 ...

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 ...

Part 2 Of Our Cylinder Head Roundtable. Our All-Star Cast Of Experts Chime In On The Most Intriguing Aspects Of Cylinder Head Port Design. The intricacies of airflow dynamics through a cylinder head ...

Aside from a large camshaft, cubic inches, and lots of fuel, compression is the element that allows power to be formed. It’s the massive amount of squeeze being placed on the fuel and air, which in ...

Rotary engines have an aura of cool. In games of Top Trumps, the V12 might have been king, but a rotary was a joker, a wild card. A lack of mainstream success no doubt contributes; there are reasons ...