The Z11 V8 was a powerful drag racing engine based on enhancements made to the 409 ci V8, with output between 480-525 HP. The ZL1 V8 was another rare Chevrolet engine, producing around 550 HP and ...

An experimental race engine that was canceled before it got to race, the Mark IIS "Mystery Motor" remains one of the most fascinating V8s built by Chevy ...