Rebuilding The 5.7L HEMI
Back in the early ’90s, when Chrysler realized that it would need a new truck motor to replace its 318/360 Magnum engines to meet the coming emissions standards, the company considered two pushrod engines along with one SOHC design and concluded that a pushrod motor with a pair of HEMI heads that really breathed would make a great truck engine and could still be used in its cars. This is how the 5.7L Gen III HEMI was born in 2003.
Tech Feature: Rebuilding the Chrysler Hemi
Chrysler made the Hemi engine famous. They didn’t invent the hemispherical chamber, but they were the first to build an engine with a hemi chamber for an American car back in 1951. They originally called it the “Double Rocker Shaft V8,” but it soon became “the Hemi.”