Shane Coffelt spent twenty years as a saturation oilfield diver, a profession that rewards exactly the patience a long restoration demands, and his 1972 Dodge Swinger is the project that best shows it. The Swinger 340 listed at 2,836 dollars and delivered real performance hardware at a compact-car price, part of Dodge’s White Hat Specials push. Here is why its horsepower rating depends entirely on the year, and how the Demon and Dart Sport names actually fit together.