Very desirable in this day and age, the first-gen Bronco we’ll cover ... and a Roush V8 swap. The 347-cu in (5.7-liter) crate engine replaces the original 302-cu in (4.9-liter) motor, which ...

Swapping a 302 cubic-inch Boss crate motor helps the body-on-frame SUV with 425 horsepower, but that’s not enough to keep up with the all-new Bronco either as long as it’s an oval dirt track.