I have a 1/2" shackle lift and wouldnt do any more. They are ugly, and too much will mess up angles and things. Dont go over 1" of lift.
Complete rebuild axle/engine/everything swap in progress: Building stock width 44's with 302 from 01 Explorer. Motor has GT40p heads, Cobra Intake, and truck cam. Running A9L EEC IV stand alone engine from late 80's-90's Mustang GT. Big Bearing NP435 married to NP205.