The mighty will fall. Shown above is the baddest in the line of Mach 1 "Big Boys," the 428 CJ. By 1972, the big-inch torque monster V-8 was a memory. Worse yet for performance buffs, 1974 saw the advent of the fuel-efficient 2.8 V-6 as the top engine option. At least Ford saw fit to go back to the V-8 in 1975.