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Old 07-07-2012, 03:36 PM   #1
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Looking for input on axle ratios

I have a 2000 Wrangler Sport with the 6cylinder and 5spd.I put a 6 inch lift kit on it for the guy that owned before me.It has 35's on it and he strictly used it as a trailer queen just to get oooo's and aahhsss from.I have it now and as far as going down the road it does okay unless the wind is blowing or there is a hill in the road.I am looking for thoughts as to what ratio I need as far as I know it is still factory ratiosThanks twister99tx

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Old 07-07-2012, 03:39 PM   #2
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Quote:
Originally Posted by twister99tx
I have a 2000 Wrangler Sport with the 6cylinder and 5spd.I put a 6 inch lift kit on it for the guy that owned before me.It has 35's on it and he strictly used it as a trailer queen just to get oooo's and aahhsss from.I have it now and as far as going down the road it does okay unless the wind is blowing or there is a hill in the road.I am looking for thoughts as to what ratio I need as far as I know it is still factory ratiosThanks twister99tx
If its factory ratios it can be as low as 3.07 if it has a tow package it might be 3.73 and you have to get either 1. Those tires off before you break something, or regear to 4.88 which is I believe recommend for 35s and get upgraded axle shafts. The d35 won't hold up to 35s long.

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Old 07-07-2012, 03:47 PM   #3
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4.88's is the optimum gear ratio for 35's with your 4.0 and 5 speed as stated above. Also, you probably already know that your speedo is way off and you need to replace the speedo gear in the t-case with the appropriate tooth gear to correct your speedo when you get around to re-gearing.

and yeah... unless you have the Super35 upgrade ( which you most likely don't ), your Dana 35 rear ( if so equipped ) will not last too long. The Dana 44 ( optional with 3.73's in the Sport) is the preferred axle and much stronger.... hope you have the D44....
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Old 07-07-2012, 08:20 PM   #4
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Does the Dana 44 have a way to recognize it or distinguish it from the others? I have only had the Jeep about a week and only drove it a couple of times just to enough to realize it needs some help.Thanks twister99tx
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Old 07-07-2012, 08:28 PM   #5
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Quote:
Originally Posted by twister99tx
Does the Dana 44 have a way to recognize it or distinguish it from the others? I have only had the Jeep about a week and only drove it a couple of times just to enough to realize it needs some help.Thanks twister99tx
If the rear has a metal fill plug its a D44, the D35 has a plastic/rubber fill plug. That and it has aa different shape. That's just the easiest way to tell. Also the diff ratio should be printed on a metal tag on the 9 o clock position of the diff.
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Old 07-07-2012, 10:07 PM   #6
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This should help as well

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Old 07-07-2012, 11:31 PM   #7
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Y'all got me curious, crawled under my 04, rubber plug and has 373 stamped on it
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Old 07-07-2012, 11:40 PM   #8
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Quote:
Originally Posted by panic1780
Y'all got me curious, crawled under my 04, rubber plug and has 373 stamped on it
You've got a D35 with 3.73s then
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Old 07-07-2012, 11:52 PM   #9
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Quote:
Originally Posted by InvertChaos

You've got a D35 with 3.73s then
So I should be ok running 33s?
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Old 07-07-2012, 11:55 PM   #10
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Quote:
Originally Posted by panic1780
So I should be ok running 33s?
Eh define okay. You can do it and it may be liveable, its just up to you. Not ideal for sure. Also don't be too hard on the skinny pedal, you should be okay on 33s but its a ticking time bomb.
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Old 07-08-2012, 12:00 AM   #11
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Quote:
Originally Posted by InvertChaos

Eh define okay. You can do it and it may be liveable, its just up to you. Not ideal for sure. Also don't be too hard on the skinny pedal, you should be okay on 33s but its a ticking time bomb.
Not to savvy on tha gearing, money wise, what's tha cost on re gearing, what would you recommend?
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Old 07-08-2012, 12:14 AM   #12
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Quote:
Originally Posted by InvertChaos View Post
Eh define okay. You can do it and it may be liveable, its just up to you. Not ideal for sure. Also don't be too hard on the skinny pedal, you should be okay on 33s but its a ticking time bomb.
Mine must have a long ticker

Yes, the 35 is "weak", and I would never regear it, but it can take alot of abuse. Some people have them go way to easy, for who knows what reason. I haven't had any issues with mine. Guess I am lucky.

The numerically lower, or "higher" gear ratio i.e. 3.07 and 3.73 will give you less power and possible less mpgs (sometimes more) than a lower gearing (4.11, 4.56, 4.88, etc) but they transfer far less torque into the axle, therefore you have a lot less chance of damage to your axle, just because its not POSSIBLE to put as much force into it as with deeper gearing. Probably why I have gotten away with beating on mine so much. Drive smart and your 35 will live a long life.
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Old 07-08-2012, 12:18 AM   #13
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Originally Posted by panic1780 View Post
Not to savvy on tha gearing, money wise, what's tha cost on re gearing, what would you recommend?
I would suggest an axle swap over a regear if possible. Stock axles can be had for around 150 dollar per axle, which is less than labour for regearing in some areas.

In order to tell you what gearing you need we need to know:

Engine:
Trans:
Tire Size: 33
Tendecies, towing? highway? etc
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Old 07-08-2012, 12:21 AM   #14
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Quote:
Originally Posted by GoldenSahara00

Mine must have a long ticker

Yes, the 35 is "weak", and I would never regear it, but it can take alot of abuse. Some people have them go way to easy, for who knows what reason. I haven't had any issues with mine. Guess I am lucky.

The numerically lower, or "higher" gear ratio i.e. 3.07 and 3.73 will give you less power and possible less mpgs (sometimes more) than a lower gearing (4.11, 4.56, 4.88, etc) but they transfer far less torque into the axle, therefore you have a lot less chance of damage to your axle, just because its not POSSIBLE to put as much force into it as with deeper gearing. Probably why I have gotten away with beating on mine so much. Drive smart and your 35 will live a long life.
Mine is used more for beach riding every once in awhile, hit a few back roads, no jeep clubs or trails around where I live
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Old 07-08-2012, 12:26 AM   #15
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Mine is used more for beach riding every once in awhile, hit a few back roads, no jeep clubs or trails around where I live

whats your engine and trans?
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Old 07-08-2012, 12:30 AM   #16
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Quote:
Originally Posted by GoldenSahara00

whats your engine and trans?
4.0, 5 speed
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Old 07-08-2012, 12:40 AM   #17
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4.0, 5 speed
I believe you want 4.56 gears. You could swap in axles with 4.10s from a 4cy jeep, but I would regear if you are really concerned about it. for the amount of change you get from 3.73 to 4.10 I wouldn't. So regear or leave it.
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Old 07-08-2012, 12:55 AM   #18
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Quote:
Originally Posted by GoldenSahara00

I believe you want 4.56 gears. You could swap in axles with 4.10s from a 4cy jeep, but I would regear if you are really concerned about it. for the amount of change you get from 3.73 to 4.10 I wouldn't. So regear or leave it.
I'm not hard on it and the amount that I do drive it, it's fine with me the way it is
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Old 07-08-2012, 08:52 AM   #19
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then I say leave it. I left mine at 3.07 and everyone said it couldn't be done. I have no issues.
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Old 07-10-2012, 01:04 PM   #20
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To all the responses I have got on asking about input on what ratio I should use.I looked and I have the Dana 44.I will get a chance I will see if I can find the tag.Just thought I would let everybody know.From the way I understand most of the input the Dana 44 has a stock ratio of 3.73,if this isn't correct I welcome the input.Thanks twister99tx
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Old 07-10-2012, 03:45 PM   #21
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Originally Posted by twister99tx
To all the responses I have got on asking about input on what ratio I should use.I looked and I have the Dana 44.I will get a chance I will see if I can find the tag.Just thought I would let everybody know.From the way I understand most of the input the Dana 44 has a stock ratio of 3.73,if this isn't correct I welcome the input.Thanks twister99tx
Nice find, the 44 will easily stand to the 33s you want on, and it should have the 3.73s the tag will be on the 9o'clock position

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