A Plymouth Fury wasn’t even a real model in 1956 — it was just a gold-trimmed performance trim you checked on a Belvedere order form. By the mid-1960s it was hiding a 365-horsepower “Street Wedge” V8 in a full-size body, and by the mid-1970s it had swapped that muscle for cruise control, a digital clock, and a six-barrel-optioned GT package along the way. Read on to find out how one nameplate lived several completely different automotive lives.