I suggest what an S10 owner might do. Many people with s10 and any kind of horsepower or large tires should upgrade to a ford exploder 8.8" rear end. They have a chance at living at those power levels.. 31 spline axle shafts, 3.25" outer tube, 1.32" axle shaft diameter, etc. They are so much stronger than a Chevy 8.5 from an S10 it s not funny. There is no comparing them. Its a quite popular axle for performance use. The mustang had a weaker version but the ring gear etc is the same size(28 spline axles on the mustang and ranger-certain rangers have 31 spline-rare). Huge variety of upgrades for these axles.. very popular for swaps...
1990-49 are drum.. 95+ are disc brakes! They are a bit wider, but not much than an s10. I think some explorer axles are different widths? bolt pattern can be changed... heres an s10 forum with more details on it
P.S. don't get the price of my 8.8 exploder axles raised at the junk yards