If you do the lq4 bolt ons like mentioned, 212/218 low lift cam, 2600-2800 stall, and 3.73-4.10s to move the heavy truck. Since you don't plan to drag race and just wanting to daily skip the locker if you want. Not common around here but saves you some coin for fuel upgrades and proper tuning. Site owner Allen(farmtruc) owns Nelson performance. His new harness guy has a screen name too think it's Roy@np don't qoute me tho. That'll be the perfect harness for your swap.

There are tons and tons of setups you could do but all depend on money and if and when you decide to make it for drag racing. Dbrods has a ext cab obs with a boosted 5.3 and that thing moves out so weight isn't really the problem if the setup is right to compensate for it.