BostonBilly
Well-Known Member
The 4.88 brought me back close to stock. There are plenty of charts out there to show gears, rpms and tire choice plus I found a math formula that Ian used on 4x4 extreme. Stock tire size, stock gear ratio and the new tire size will give you the gear ratio to bring the new tire size back to stock performance. It was something like 4.57, which you can’t get so I went 4.88. This puts me close to stock again plus gives a little more torque. I am back up to 19 mpg in the limited amount of miles I have put on and I get 7th and 8th gear back when on highwayI'm hoping to regear at some point. Being pulled to 5.13's but I think 4.88's would be the best choice. Gotta read more reviews with others that have them and a 6 speed.
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