My 4.0 has plenty of power to turn my 31's. Plan on getting 33's soon. Bolted on my buddys 33's from his jeep to see how it would sit and drive. Even with the 3.73's i could roll over the 33's without a problem.
I'm sure ill be okay I'm not out to smoke the tires off of it and it will be another week it so on the body lift school is over for spring break on Friday so it will be done between work and brew over break haha