Ford Mustang Boss, which is bone-stock and has fewer than 13,000 miles on the odo, is still for sale, although it is cheaper ...

With the 255/302 engine in 1981, Ford built lighter crankshafts that ... and never assume “it’s fine!” Flat Tappet and Roller Cams: 1985-up Mustangs with 5.0L “High Output” engines ...