That brings us to the Chrysler 331 Hemi, often known as the FirePower. It's not among the most powerful Hemi engines that Chrysler ever built, but it is a very important and special engine.

But the Hemi engine’s story is one of glory and banishment ... This project featured a Kurtis-Kraft stuffed with a 331 cubic-inch Hemi for propulsion. In testing, it turned average lap speeds ...