the Slant-6 was the first to market, with a 170 cubic-inch variant available in the 1960 Plymouth Valiant. The first AMC 3.8-liter Inline-6 Typhoon roared to life in the 1964 AMC Rambler Classic.

Everything Changes With Time, Except The Slant-Six While the Slant-Six debuted in 1959 for the 1960 model year, changes began to take place immediately. For example, in 1961, Chrysler began ...