By the mid-1970s, most of Detroit’s original muscle car nameplates were dead, killed off by emissions rules and a fuel crisis nobody saw coming. The Hurst/Olds partnership should have died with them, but instead kept reinventing itself — from a leaky experimental T-top roof in 1975 to a 15th anniversary tribute with a distinctive small-block rumble in 1983. Read on to find out how this nameplate survived a decade that killed nearly everything else it touched.