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  #1  
Old March 18th, 2006, 19:32
diluted1 diluted1 is offline
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1999 Jeep Cherokee - Gear choice help!

Hey everyone, I need some advice.

I own a 99 Cherokee SE 4.0 and I temporarily have it 3" over stock running 31/10.50 Firestone Dest. M/T. Its currently setup factory with D30/Chry. 8.25 with 3.08's
What I would like to get advice on is gear size. This is my daily driver and the biggest tire I would probably ever end up running on it would be probably a 33". I already know i going to go with detroits, but as far as a decent gear ratio, what would you all suggest?
Thanks for your help in advance and look forward to hearing from you.
Jason

Oh,.. it is a manual transmission, if that helps!

Last edited by diluted1; March 18th, 2006 at 19:43.
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Old March 18th, 2006, 20:39
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5150xj 5150xj is offline
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Re: 1999 Jeep Cherokee - Gear choice help!

I have a 92 DD with the 5spd trans (ax15) 31" tires with 3.73's or 3.7? Wish I would have went to 4.10's. If you think you are going to go to 33" tires go to the 4.56 and save some $$$. Also try using the search option there are a lot of threads on this subject already.

Tim D
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Old March 18th, 2006, 20:52
Nate_Bob Nate_Bob is offline
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Re: 1999 Jeep Cherokee - Gear choice help!

Quote:
Also try using the search option there are a lot of threads on this subject already.
That is the nicest way I've seen someone tell somebody to use the search.
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Old March 18th, 2006, 21:07
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5150xj 5150xj is offline
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Re: 1999 Jeep Cherokee - Gear choice help!

Thanks. Well I figured since this was his first post he didn't need his head bitten off. Also since there is a push for new members I didn't want to scare him away. You on the other hand with your massive post count...I will be watching for you!! LOL

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That is the nicest way I've seen someone tell somebody to use the search.
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  #5  
Old March 18th, 2006, 21:22
diluted1 diluted1 is offline
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Re: 1999 Jeep Cherokee - Gear choice help!

Thanks Tim! Yeah sorry guys, im new.
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  #6  
Old March 23rd, 2006, 14:29
diluted1 diluted1 is offline
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Re: 1999 Jeep Cherokee - Gear choice help!

Well,.. I ordered 4.10's and a detroit for the rear and lockrite for the front. Just waiting on the UPS man now. whoo hoo!!
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Old March 28th, 2006, 19:13
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Re: 1999 Jeep Cherokee - Gear choice help!

About how much of a performance increase would there be from going to 3.55?? (Chrysler 8.25) gears to something like 4.11 or 4.56 with a LSD in the back. I have the 4.0 and AW4. In terms of performance i meant gas mileage, quarter mile etc.
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Old March 28th, 2006, 21:53
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Re: 1999 Jeep Cherokee - Gear choice help!

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Originally Posted by BBeach
About how much of a performance increase would there be from going to 3.55?? (Chrysler 8.25) gears to something like 4.11 or 4.56 with a LSD in the back. I have the 4.0 and AW4. In terms of performance i meant gas mileage, quarter mile etc.
What size tires are you planning to run? JIM.
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Old March 29th, 2006, 07:06
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Re: 1999 Jeep Cherokee - Gear choice help!

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Originally Posted by ILLXJ
What size tires are you planning to run? JIM.
For a little bit the 235/75R15 Duelers but in the future maybe something along the lines of a 32 or 33. As for right now, im curious as to a near stock performance gain as i would assume with larger tires like 33's you would just be driving back like stock. Just my guess at least.
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Old March 29th, 2006, 23:45
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Re: 1999 Jeep Cherokee - Gear choice help!

I am running 4.56's & 33's. It seems to be about the same as stock, but that was a long time ago. I really liked the 4.56's & 31's. Deeper than stock but I got better mpg's. Wish I had 4.88's now. JIM.
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Old March 30th, 2006, 04:22
LOWTECH LOWTECH is offline
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Re: 1999 Jeep Cherokee - Gear choice help!

Once again

http://www.intercotire.com/site63.php
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  #12  
Old March 30th, 2006, 12:17
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XJedi23 XJedi23 is offline
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Re: 1999 Jeep Cherokee - Gear choice help!

Quote:
Originally Posted by LOWTECH
http://jeephorizons.com/tech/rpmchart.html

Any coments on the difference between these two charts other than the speed.

Just curious.
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Old March 30th, 2006, 16:39
LOWTECH LOWTECH is offline
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Re: 1999 Jeep Cherokee - Gear choice help!

Same O, same O
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Old March 30th, 2006, 20:01
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BBeach BBeach is offline
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Re: 1999 Jeep Cherokee - Gear choice help!

What i was meaning to ask if the performance gains as far as quarter miles and such with 4.11's instead of 3.55's (which is what im pretty sure a Chrysler 8.25) has stock?
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Old March 30th, 2006, 22:14
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Re: 1999 Jeep Cherokee - Gear choice help!

Sorry, I can't answer that. JIM.
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