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,,,,,,,,

Also- wilwood has a bolt on rear disc brake setup that looks good and doesn’t break the bank- just drag lights , look to be stable.

Anyone used them?

Thanks again to all .