Steering Column Advice - Converting from column shift/PS to Floor shift/MS

I am in the process of installing an 80’s M Body tilt column automatic on the column in my 65 Dart, so it’s not the same as your requirement. I am using Borgeson U Joints at the column and PS box connected with a double D shaft. Perhaps if you order an aftermarket column the same length as your column and use the U Joints/double D shift, it should work