When Steve Kelly wrote his deep-dive on Pontiac's new experimental dual-overhead-cam Hemi V-8 for the October 1970 issue of HOT ROD magazine (actually two engines!), performance was a moving target.

Automakers once bet big on bizarre ideas—from swirling airflows to variable compression—and the results were as fascinating as they were short-lived. Automotive engineers have invested countless ...

Engineering exercises in powerplant design which end up against a brick wall are being executed by major automobile manufacturers with programmed regularity. That is, the surface appearance is that ...

Allegedly capable of spitting out over 600 naturally aspirated horses, this experimental big-block V8 never got a proper chance to shine but still became an American engineering legend. During the ...

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 ...

Most modern gasoline and diesel-powered engines found in the cars and trucks seen on today's roadways rely on the four-cycle-engine principles developed in the late 1800s by Nikolaus Otto, Gottlieb ...

The race to field reusable hypersonic aircraft got a whole lot hotter last month, with GE Aerospace announcing a breakthrough in high-speed jet engine design that could potentially allow conventional ...