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Old October 24th, 2011, 12:32 AM   #1
xj-james
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Default Xj axle upgrade options and opinions

So my 2000 XJ is in need of work on the front axle. It needs pinion bearings, pinion seal, and possibly more. I have a little over 4.5 inches of lift and run 33x12.5X16 tires. I want to upgrade my front brakes to be better and more efficient than the stock, and upgrade the rear to disc from drum. I also want a better gear ratio than I've got now. If you were trying to accomplish this with minimal funds, how would you do so? Pros v. Cons?
Thanks in advance?


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Old October 24th, 2011, 04:43 AM   #2
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There is no cheap way to do this.
Just throw money at it
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Old October 24th, 2011, 04:44 AM   #3
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There is no cheap way to do this.
Just throw money at it
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Old October 24th, 2011, 08:24 AM   #4
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There is no cheap way to do this.
Just throw money at it
x2

Investigate a Ford 8.8 for the rear (good factory ratios w/limited-slip, and factory discs).

For the front, every replacement gets pricey and/or involved. A HP D30 out of an XJ would be a start, and the easiest (you can tube/sleeve them, get the added pinion clearance, etc.).

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Old October 24th, 2011, 09:38 AM   #5
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Search for Monkeyevil's WJ brake/spindle upgrade thread.
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Old October 24th, 2011, 04:46 PM   #6
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What are your current and future plans for your jeep? As in plans for the next year or two, there is nothing worse than having to do everything twice. Is it your dd?
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Old October 24th, 2011, 05:29 PM   #7
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Not mine but its the cheapest way to do it, with pre built axles.

Complete Axle(s): Two pairs of built 78-79 Bronco / F150 axles for sale - Great Lakes 4x4. The largest offroad forum in the Midwest

Just need a welder and one of these http://www.oly4x4.com/onepart.php?id=1550688 Im sure there are cheaper ways to do it, I just pulled up the first kit I could find. Or for that money just build your own radius arms.

Hell he is even looking to partially trade for a D30.
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Old October 24th, 2011, 05:32 PM   #8
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The cheapest way would be to find a hp30 and 8.8 already geared with 4.10s. It's not the optimal ratio but would save you a lot of money compared to having to buy gears and pay to have them set. Both of those axles will bolt in with minimal work and you can upgrade the 8.8 to discs rather easily if it didn't come with them. The WJ brake upgrade is a good one but you sacrifice ABS to have it.
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Old October 24th, 2011, 05:33 PM   #9
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Actually the ABS may still work, I don't know if the ABS sensor style on the XJ is the same as the WJ or not
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Old October 24th, 2011, 11:24 PM   #10
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Thanks guys. My plans for the next few years are minimal, and mostly cosmetic. If or when I have power train issues I'm just gonna stroke it. As for the lift, I'm staying where I'm at. I may upgrade stuff here and there as money permits, but just like my fixed rusty's lca's to jks adjustable. Little odds and ends. I'd like to stick with my 33's and weekend wheel it. It's gonna be a year or so until I can buy a different DD. So for the time being, I just want to upgrade all this in the most reasonable way I can financially.


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Old October 25th, 2011, 03:56 PM   #11
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why not just run it the way it is than. Maybe just new pads and rotors in front and an 8.8 in the rear with disk. Hell, just keep your rear end now and put disks on it. 33 really ins't pushing those axles, especially for a weekend wheeler.
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Old October 25th, 2011, 06:25 PM   #12
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The front axle needs bearings and seals. Wheel bearings in the rear are bad. I'm close to custom d shafts, and I'd like to get rid of the t case drop. Kinda brain storming.


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Old October 29th, 2011, 07:15 AM   #13
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Fix the bearings and seals for a few bucks, then find D35 discs for the rear. That's your cheapest option and it will stop much better than it does now. All that for way less than $500 (even if you use new parts for the rear brakes). Every other option is going to cost a bunch of money.
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Old November 5th, 2011, 11:22 AM   #14
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Fix the bearings and seals for a few bucks, then find D35 discs for the rear. That's your cheapest option and it will stop much better than it does now. All that for way less than $500 (even if you use new parts for the rear brakes). Every other option is going to cost a bunch of money.

I was quoted $650 for the seal and bearing....


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Old November 5th, 2011, 01:52 PM   #15
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I was quoted $650 for the seal and bearing....
Which seal?
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Old November 5th, 2011, 04:46 PM   #16
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Pinion seal and pinion bearing.


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Old November 5th, 2011, 09:09 PM   #17
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Pinion seal and pinion bearing
$650 for that? You have got to shop around, they are trying to screw you.
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