423dak,
I totally forgot about the Swinger Special !! GOOD JOB !
Got to digging around some more...
http://www.hamtramck-historical.com/images/dealerships/DealershipDataBook/1972/72_Dodge_Dart_Demon0007.jpg
Swinger special was the low line Dart for 71,72 and would have a LL as the vin...