Or a transfer case with a higher high range ratio would help too. You could also ditch the stock transfer case and pull a whole setup out of another truck from a scrap yard. I’ve done quite a number of engine/ driveline swaps in the past. All fun to do and even better to drive afterwards. Most rewarding one was a 5.0l roller cam motor I converted to carb and installed in a bronco2 with a c4 tranny. Lots of custom work. Made all adapters myself. Second was a 460 into an f150,