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Old 08-02-2012, 07:26 PM   #1
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Replace my Aussie??

So Im soon going to have my jeep regeared (4:56's).I have an Aussie in the front.Should I keep that or replace it with another locker,Eaton,maybe ARB? Am I going to get that big of a gain over my Aussie or should I use the money & put one in the rear.And yes I have a 35 in the rear.

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Old 08-02-2012, 08:31 PM   #2
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I would not put any kind of locker in the rear D35 until it is upgraded with a Super kit, or a different axle swapped in. Money saved there.

The front would depend on what gears you are starting with, and the carrier break on the D30.

The carrier break on the TJ D30 is 3.55/3.73

If you have 3.07 gears now, and are regearing to 4.56, you will need a new carrier, and your aussie will not work anyway. You will have to get a new carrier and new aussie. Or, buy a full case locker. Preferably a selectable like an ARB.

If you are already on the correct side of the carrier break, (3.73's) you can re gear and throw your aussie in there.

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Old 08-02-2012, 08:42 PM   #3
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I would not put any kind of locker in the rear D35 until it is upgraded with a Super kit, or a different axle swapped in. Money saved there.

The front would depend on what gears you are starting with, and the carrier break on the D30.

If you have 3.07 gears now, and are regearing to 4.56, you will need a new carrier, and your aussie will not work anyway. You will have to get a new carrier and new aussie. Or, buy a full case locker. Preferably a selectable like an ARB.

If you are already on the correct side of the carrier break, you can re gear and throw your aussie in there.
What is a carrier break?
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Old 08-02-2012, 08:47 PM   #4
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The factory used two different sized carriers for the TJ D30. Which one you have depends on your gear ratio. 3.55 and numerically lower is one size, 3.73 and numerically higher is the other. An Aussie fits inside a stock carrier, hence the term "lunchbox locker".
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Old 08-02-2012, 08:49 PM   #5
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Well since Ill do anything to my Jeeps BUT gears I hope the shop doing the work will know.
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Old 08-02-2012, 09:10 PM   #6
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I was under the impression that lunch box lockers were spline specific only and not gear or carrier specific? I'm actually pretty certain because I just checked. So yes you can reuse your Aussie.
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Old 08-03-2012, 12:26 AM   #7
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I was under the impression that lunch box lockers were spline specific only and not gear or carrier specific? I'm actually pretty certain because I just checked. So yes you can reuse your Aussie.
That is good news for the OP. I thought if he needed the new carrier for the gears, he would also need a different Aussie too.

My bad for posting mis-information.

Thank you for clarifying.
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Old 08-03-2012, 06:11 AM   #8
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Well thats great news.Glad i dont have to spend even more $.Thanks
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Old 08-03-2012, 08:29 AM   #9
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just glad to help.
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Old 08-08-2012, 08:24 PM   #10
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Any other input on swapping my Aussie out for either a ARB or Eaton? Im doing a 8.8 w/ a ARB in the rear soon.

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