Next is the 533-horsepower small-block crate engine from Chevrolet. Based on the LS-Series Gen-IV cast-aluminum block, the LS376/515 crate engine has a 376-cubic-inch displacement and delivers 477 ...

Engine: LS1 Displacement: 5.7L The Gen-III “LS” small-block made its debut in 1997 ... could be manufactured in either aluminum (cars—our focus, here) or cast iron (trucks), and able to ...

For the ZZ6, Chevy is working to improve the Small Block's high-rpm performance. To make that happen, the engine has Fast Burn aluminum cylinder heads and an updated valvetrain inspired by the LS ...