Dodge has summoned another monster from the underworld. The latest is a new 1,000 hp engine called the “Hellephant” that’s based on the brand’s Hellcat supercharged V8 and will be offered as a crate motor for custom car builders next year. Its name is a tip of the hat to the original “Elephant” 426 Hemi V8 from the 1960s, and the new engine features an aluminum block with a bigger bore and stroke than the 376 cubic-inch Hellcat’s that brings it up to a historically appropriate 426 cubic-inches. The engine mixes parts from the engines found in the Dodge Challenger...