1971 Dodge Dart Demon Hardtop T-Shirt for Men The Dodge Demon was added to the lineup in 1971. Dodge gained a version of Plymouth's popular fastback Duster and was to be named the Beaver, but when Chrysler's marketing department learned that "beaver" was CB slang for… well you know what. The vehicle was renamed the "Dart Demon". It sat atop a 108 inch wheelbase which was shorter than the other Darts. The optional Demon 340 package was fitted with Chrysler's 340 small-block engine that produced a