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Old 11-16-2012, 08:52 PM   #1
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yet another axel question..

I am trying to find out what is in my rear axel in order to make the correct purchase on parts for a lunchbox... Open carrier,or some type of limited already. I called jeep and they told me it was anti spin in rear? And command trac up front? Im still confused as to whats in there. Also are gear ratios always same front and back? I would assume so. 1997 sahara D 44 rear D30 front 3.55 ratio.

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Old 11-16-2012, 09:02 PM   #2
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Quote:
Originally Posted by konqrrr
I am trying to find out what is in my rear axel in order to make the correct purchase on parts for a lunchbox... Open carrier,or some type of limited already. I called jeep and they told me it was anti spin in rear? And command trac up front? Im still confused as to whats in there. Also are gear ratios always same front and back? I would assume so. 1997 sahara D 44 rear D30 front 3.55 ratio.
Yes same ratios front and back. That's all I can answer to this one, I'm sure more will chime in soon.

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Old 11-16-2012, 09:09 PM   #3
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Well thats one down thanks for the clarification.
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Old 11-16-2012, 10:12 PM   #4
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Quote:
Originally Posted by konqrrr
I am trying to find out what is in my rear axel in order to make the correct purchase on parts for a lunchbox... Open carrier,or some type of limited already. I called jeep and they told me it was anti spin in rear? And command trac up front? Im still confused as to whats in there. Also are gear ratios always same front and back? I would assume so. 1997 sahara D 44 rear D30 front 3.55 ratio.
All tj front Dana 30 axles are open. You can put any lunchbox locker you choose in it. They are all basically the same. Now the rear if its anti spin that means you have a limited slip diff. I don't believe they make a lunchbox for it. You will have to switch to an open diff. If you do that you might as well just switch to a full case locker like a Detroit for a few dollars more. You will have to reset backlash either way but its really not to difficult. And all axles have to match gear ratios front and rear to use 4x4 so if you have a 3.55 in the rear that's what's in the front.
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Old 11-17-2012, 09:43 AM   #5
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Be aware of what a locker will do in the front in wet and snowy conditions. Not something I wanted to deal with so I went the ARB route.
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Old 11-17-2012, 10:09 AM   #6
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Yeah not something i wanna do, just the rear. Front will come later with a swap, selectable and of course the cash.
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Old 11-17-2012, 10:12 AM   #7
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Also are gear ratios always same front and back?
Except when it is appropriate for one end of the vehicle to go faster than the other end!!!

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