Re-Gearing the Diff will help eliminate the “get the truck rolling feeling” and the “oh no, another hill” feeling !
That will take MORE money, so the lift and new tire becomes more expensive but to do it correctly you should re-rear.
If you do the math there is enough change in the numbers to warrant a gear change.
31s (New Tire) / 28s (Old Tire - guessing here) = 1.107 x 4.10 (old gear ratio - again guessing) = 4.53…
Closest is 4.56s, that should give you the old 2.3L pep back.
32s require 4.68 (4.88) gearing, or you can make do with 4.56s or leave the gearing and suffer the fate of larger tires robbing your power.
luck on the lift and tire change or the gears too !
4x4, 5sp, Std Cab, Stepside, E4 Red
4” Lift - Coil-Overs, 6” SkyJacker Leafs - No Blocks (Mistake)
31 Spline FX4 Rear Axle, 4.56s and OX Locker, Hurst Shifter w/Optional Stick and "Made by Grev" alignment adapter