[quote=RustyM]Ok- mini tub set up/ spring move allows me a 15x10 with 3.5 backspace.

Tire size recommendations as well as Rim.
Weld’s are pretty normal of course.
Lot of rim companies out there but /quote]
As far as rim width and tire to use is your rear end a stock width A body 8 3/4?
On moving and stretching the wheel wells I cut up three other junk Dusters rear 1/4 panels to use in having mine widen, the darn multiple angles on the rear 1/4 panel sheet metal makes it harder to make it look factory than the other Mopars I have had done