What made the Scamp / Swingers special

also forgot to mention the Demon (LL29) and Demon 340 (LM29) were replaced in 73 with the dart sport (LL29) and Dart sport 340 (LM29) after the southern Baptist interest protested the demon nameplate for obvious reasons. "dart sport" seemed to be a less controversial name but it is in essence the same car.
in 73 the 340s had less compression in them,not as hp as in the early years due to the government new standards and the gas crunch.