Got A New Toy --- Mopar, But Not A-Body

That's exactly what I have and the overdrive with 3.55 is a GREAT combo. It rides and handles and is very much like an A body, right down to the stupid wiper bushings
Don't drive it in the rain or when salt is out, they rust like bitches and are not easy to get panels for.

It'll shut down old stock 5.0 mustangs no problem