If you go to bigger tires you will need a lift.
I have a 5.5 LA, a 1.75 BL with 35's and I still rub the tires into the fenders at flex. But, I do some serious trails in order to get to those high mountain fishing areas. I got the wifey is hooked on fishing
so I can wheel
We are both turning 60 this year and my wifey is only 5'3"
justs gives me a reason to grab her @@@ as I help her into the jeep