ROPER GEAR RATIO TIRE SIZE: JEEP GEAR RATIOA frequently asked question we hear is "What is the proper gear ratio for my tire size?" When you change tires on your Jeep from the stock size to the larger tires to give your lifted Jeep the look you want, a change in gear ratio is necessary to give you the optimum power ratio. There is a direct correlation between tire size and the gear ratio. Here is a chart that shows optimal gear ratios for lifted Jeeps with larger tires.
HOW TO CHOOSE YOUR AXLE GEAR RATIO