Led by Dave Salvaggio, Salvaggio Auto Design, primarily Hellephant swapped the '71 Cuda, threw in a modern transmission, and 9-inch rear end to build this extremely powerful muscle car.

Most people wouldn’t buy a one-owner ’71 Cuda that’s in great shape and yank out the powertrain. But that’s exactly what this guy did, swapping the factory V8 for a Hellephant crate engine ...