And among them stands the undisputed king: a massive big-block crate engine with more displacement than any other bowtie V8 ...

There have been a number pickup trucks to roll off the factory floor with large engines over the years, but this truck had the biggest engine ever.

A 427-cubic-inch Clevor hit the dyno, boosted by a TVS2650 supercharger. This Cleveland-headed small-block put down mid-four-digit output.