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Old July 1st, 2007, 01:35 PM   #1
badazzamc
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Default 99 XJ Axle ????

I have a 99 xj with a HP dana 30 and a crysler 8.25 (29 spline) with 3.55 gears. I want at least one locker, my question is what will be the cheapest way to lock these axles,I am thinkng just a lunchbox locker. Also if I decide to go to a 4.10 gear later will I have to get a new locker or will the old one work? Should I buy the front or rear locker first? I will only be able to get one for right now. Thanks for the help.
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Old July 1st, 2007, 02:04 PM   #2
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A lunchbox locker will work with any gears if I am not mistaken. I would go with an aussie, and I would start in the rear. I would assume that this sees a lot of road as well?
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Old July 1st, 2007, 02:14 PM   #3
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yes it will see a lot of road time as well. does aussiee make a locker for the rear? I have not found one yet.
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Old July 1st, 2007, 02:18 PM   #4
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For a 35, but it does not look like they do for an 8.25. Go with the Lockright then.
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Old July 1st, 2007, 08:01 PM   #5
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The D30 will need a new carrier if you go to 3.73-up, the 8.25" will use the same carrier. A lunch box locker in the D30 will use the same. I would get a Detroit for the rear if you can afford it. If your on a budget lockright or Lincoln.
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Old July 1st, 2007, 08:03 PM   #6
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Quote:
Originally Posted by Rocky View Post
The D30 will need a new carrier if you go to 3.73-up, the 8.25" will use the same carrier. A lunch box locker in the D30 will use the same. I would get a Detroit for the rear if you can afford it. If your on a budget lockright or Lincoln.
x2.

That's exactly what I was thinking. I wouldn't even bother w/ a lockright. If you're not looking to spend the cash now, do the "Lincoln" locker and save your pennies for a Detroit and some gears.

The welded option at this point is free.
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Old July 2nd, 2007, 09:09 AM   #7
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how bad would a welded rear be on the street though?
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Old July 2nd, 2007, 09:16 AM   #8
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Your choices for an 8.25 axle are very very limited. Aussie doesn't make a locker for that axle unfortunately. Lockers for that axle are not going to be on the cheap side.
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Old July 2nd, 2007, 09:23 AM   #9
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Quote:
Originally Posted by FlamesFearMe View Post
A lunchbox locker will work with any gears if I am not mistaken. I would go with an aussie, and I would start in the rear. I would assume that this sees a lot of road as well?
That would work if Aussie made one for the rear.

Your best bet for cost is to get an Aussue up front.
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Old July 2nd, 2007, 10:00 AM   #10
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Quote:
Originally Posted by badazzamc View Post
what will be the cheapest way to lock these axles,

First, need to know if you have a LSD.


If you really want a rear, the Detroit is over $600. The Powertrax (lunchbox) is under $400 if you have an open carrier. Prices are approxomates from UORC.

A properly welded 29-spline 8.25 will work well. If you intend to drive it on the street and perhaps through the winter, I would not suggest this.


In my opinion, the most effective course of action considering both cost and the possibility of street driving would be:

1. Buy a front locker.
2. Find someone selling an 8.25 LSD (or the whole axle) and swap it in. This will give you something in the rear. If you still think you need the Detroit after wheeling like that, buy it later when you have the coin.
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Old July 2nd, 2007, 12:52 PM   #11
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thanks for the input. I think a LSD would be fine for the back, since it will not be wheeled all of the time. I see the front aussie is cheap, how bad would it be if the front was locked and the rear was open. Again this will be driven on the street. Thanks again for the help.
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