Rear Independent Suspension? Anyone?

The 66 uses a late 90's Tbird irs, the same rear setup (narrowed) used for the miata v-8 conversions.
... interesting idea!

http://www.carcraft.com/techarticle...grade_on_a_1969_plymouth_valiant/viewall.html

http://blog.cardomain.com/2009/01/09/1966-dodge-dart-irs-project-journal/