1966 Dodge D/Dart ~ 'Mystery, Myth and Misconception'

Marty, editor, did not remember any specifics, but said they did test a modified Dart at some point. Mopar the Performance Years is a compilation of many of the (high performance) Cars magazine Mopar articles from the 60's mainly.

Also,
Found this from across the pond

http://www.influx.co.uk/blog/dodge-d-dart/