The First Dyno Pull of Chevy's Famous, 427 Big-Block Mystery Motor Never has there been video of a Chevrolet 427 Mystery Motor running—heck, there are only two or three known engines left in the ...

With only 427 of these super-rare all-aluminum 427 big-block crate engines available, it will be one of the hottest GM crate engines built in 2008. Final horsepower rating will come in around 480 ...

The Other 427 Big-Block In 1963, Chevy stroked out the 409 to make 427 cubic inches of displacement for the Turbo-Thrust big block, creating the ultimate first-gen W-series engine.

HOT ROD convinces Mystery Motor owner Tom McIntyre to bring his 52-year old prototype 427ci Chevy big-block engine built for NASCAR racing to the engine dyno. We spin the 427 to more than 6,000 ...

The standard 300-horsepower 327 Small Block carried on, as did the L79 350-horse 327. The 427 Big Block was available in 390, 400, or 435 horsepower.