Crazy idea

Independent rear is a very general term. If you duplicated the Dart's front suspension in the rear, it would be an 'independent rear suspension'.

Sure you could do 2 T-bars in the rear with a live axle (like it has now). But the way that any 'arms' levered off of the T-bar would ride on the axle would involve some some of rollers or sliders, as the T-bar only exerts force in a circle around a point; it works better to have them work on one of the control arm pivots...which move in a circle around a point!

BTW, just to make you think more.....the 'wire' in coil springs actually work in torsion just like a T-bar....think of them as T-bars wrapped in a spiral. The coil's 'wire' does not bend sideways but twists in torsion....cool, hunh?

The neat thing about T-bar sprung suspensions IMO is that the unspring weight can be pretty low if done right. The Chrysler design is not the best example of that. (Not horrid, just not the lightest.)