At its core, the Dodge Demon 340 was a fastback model powered by an impressive V8 engine. The Plymouth Duster was a sportier offshoot of the standard Valiant, and Dodge saw the need to offer a ...

Even figuring out what a Dodge Demon is can get confusing, because it's a Dart, but not really. In 1970, Plymouth introduced the Duster, which was a sporty version of the Valiant, and it was so ...

Plymouth never offered the Valiant with a big-block V8 engine, but a previous owner decided this compact deserved better.