Classic Recreations, the only shop officially licensed to build continuation Shelby Mustangs, just did something purists never saw coming: it dropped a turbocharged EcoBoost engine into a car built to honor Carroll Shelby’s big-block legacy. Owner Jason Engel says the move isn’t about abandoning tradition, it’s about keeping a niche, hand-built business alive in markets where displacement taxes make a big V8 impractical. Read on to find out how a turbocharged Shelby continuation stacks up against the original.