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gears and tires

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Old Jan 19, 2010 | 12:28 PM
  #1  
sgtskid's Avatar
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From: Knoxville, TN
Year: 1998
Model: Cherokee
Engine: 4.0 inline 6 (o yea!)
Default gears and tires

I am wondering what gears go best with a 33x10.50 on a mostly street driven vehicle. I did a quick search and found 4.56 but couldn't tell if that was on a strictly off road vehicle or a dd. Just curious as to what everyone is running. right now I have factory gears. 307? and running 31x10.50's just fine. (other than a small speedo error)
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Old Jan 19, 2010 | 12:41 PM
  #2  
bhulty20's Avatar
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Year: 1999
Model: Cherokee
Engine: 4.0L
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Originally Posted by sgtskid
I am wondering what gears go best with a 33x10.50 on a mostly street driven vehicle. I did a quick search and found 4.56 but couldn't tell if that was on a strictly off road vehicle or a dd. Just curious as to what everyone is running. right now I have factory gears. 307? and running 31x10.50's just fine. (other than a small speedo error)
I think you might have3.55 stock in that 98? I may be wrong tho. And 4.56 will be perfect for those tires. you will notice the torque difference. I had 31's with stock gears and it was kind of slow. I just put on 33's and its even slower. Im putting in 4.56 gears and mine is 95% only on road jeep. hope that helps?
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Old Jan 19, 2010 | 01:01 PM
  #3  
sgtskid's Avatar
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From: Knoxville, TN
Year: 1998
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just did a little more research and you are correct, my bad, about the gears. I do have the 3.55's the 3.07s came in manuals and the 3.73 came with tow package....thank you wikipedia!.... Now I suppose I just need to find a good source for gears..so far Rusty's is looking like the best deal.
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Old Jan 19, 2010 | 03:42 PM
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From: east TN
Year: 1994
Model: Cherokee
Engine: 4.0
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from what ive researched i think im going to go with 4.56 gears with 31" tires. thats around 2409 RPM at 65 mph.

i know for sure if i was going with 33" tires i would go 4.88 gears. but then again i live in the mountains.
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