Chevrolet’s executives refused to build this car, worried that a compact this light with a 427 under the hood would be impossible to insure. Don Yenko simply moved the whole operation into his own shop instead, ordering L78 396 Novas and swapping in 427 power that made roughly 450 horsepower. Total production is usually put at 37 cars, with only around seven confirmed survivors. This Butternut Yellow example has been with owner Scott Cawley for 35 years. Read on for the full story.