The Demon 340 has quietly shifted from quirky compact to blue-chip Mopar, moving from the fringes of the muscle car conversation into the center of serious collector attention. Its rise in value rests ...

Some cars have a way of haunting people long after they’ve left the stoplight. For Lou Costabile, the memory of a Dodge Demon that once left his Duster in the dust during a street race in 1972 has ...