I recently picked up a 99 TJ Sport 4.0L auto with 31 inch tires. The Jeep seems a little lethargic especially while merging on highway. I checked the rear gear ratio and it states 3.07 on the tag.
I would like to keep this tire size and have no intention on going bigger. Based on my setup, what is the ideal gear ratio? Also, how do I confirm what gears are installed as I have no idea if it has been regeared.
If I did decide to regear, could I just buy used axles in the other common ratios - 3.73 or 4.11? What exactly would I need to change? Would I have to change both front and rear?
I am a re-gear noob so any help would be much appreciated.
I would like to keep this tire size and have no intention on going bigger. Based on my setup, what is the ideal gear ratio? Also, how do I confirm what gears are installed as I have no idea if it has been regeared.
If I did decide to regear, could I just buy used axles in the other common ratios - 3.73 or 4.11? What exactly would I need to change? Would I have to change both front and rear?
I am a re-gear noob so any help would be much appreciated.