Getting ready to order some Champion beadlocks. Thinking 3.5-4.5 backspace. Let's see what you've got. Pics and BS please.
^^^ This and the less backspacing on the wheel the easier it'll be to mount tires on the beadlocked rims.If you really want to be technical, go for the least backspacing so you limit axle length thus reducing rotating mass and weight of addition unneeded housing width.