LS3 crate engines can cost between $7,000 to $13,000, depending on configuration. By default, they make 430 hp and 425 lb-ft of torque.

Even with the taller gearing, the Chevy tops out at just 18 miles per hour. That’s OK, though, considering it sounds like a ...

Chevrolet's ZZ632/1000 big-block crate engine makes 1,004 horsepower, 876 lb-ft of torque, and has a suggested price of around $48,000.

These 6 budget small-block Chevy V-8 long-block crate engines cost under $4,000 and put out between 250 and 315 horsepower—just add your carb and intake.