This Chevrolet 427 ZL-1 big block V8 was discovered thanks to a Craigslist ad for "Chevelle parts". It was kept in its original crate and has never been used.

Chevy's NASCAR teams begin a new era of racing with the R07 small-block engine, which replaces the previously used SB2 small-block engine - Super Chevy Magazine ...

In almost 25 years powering General Motors trucks and SUVs, the 6.6-liter Duramax V8 diesel engine has earned a loyal following for performance and efficiency.

Perhaps, then, Chevrolet’s newest and most potent crate engine ever—the 10.4-liter, ZZ632/1000 big-block V8 with 1,004 naturally aspirated horsepower—will fare better.