Let's face it. Pretty much anybody who knows a torque wrench from a Torx socket can put together a small-block V-8 making 300 ponies. That formula has been around for, probably, half a century. But ...

Imagine the convenience of an off-the-shelf crate engine displacing 427ci that you can assemble and install in your Mustang over a weekend. On the outside, it looks like a 351W small-block. Inside, it ...