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Old 04-25-2009, 05:12 PM   #1
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Rubi Axle Install on TJ Sport Questions...

I just bought a set of front and rear Rubicon dana 44 axles (with the pumps) and next week I'll be getting ready to start the install.

My TJ: '02 Sport, I6, Auto, DPG Ultimate Wrangler Kit (OME shocks and springs, JKS 1.25 Body lift, adjustable front and rear track bars, quicker disconnects, adjustable rear sway bar end links), 31x10.5 BFG TA KOs.

This will be about a 90+% Daily Driver, but, I'm now starting to do a little off roading with a local club (nothing too severe). The Jeep is my only ride, so, every time I go off the pavement I have to remind myself that I need to get myself home, which also means reliability is important.

Questions:

1. Any suggestions on were I can find the best way to wire in the pumps, and were to mount them?

2. This would be the perfect time to install adjustable control arms. Do I really need them? Do I need both upper and lower, or, do I just get uppers (or lowers).

3. I'm going to replace the wheels and tires - 33x12.5's on 15x8 rims. Nothing too radical here...not really a question, just a note.

4. Are there any problems with hooking the rear disc brakes with the stock rear drum brake plumbing?

Any thoughts, suggestions, or comments are appreciated...Thanks

Bill

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Old 04-25-2009, 07:38 PM   #2
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congrats on your new purchase. I don't know the answers to the questions unfortunately, sorry. If you want to you can call joe at absoluteoffroadphx.com he installs rubicon axle housings all the time in TJs and is extremely helpful over the phone. I think you might need new driveshafts or different pinion yoke or something like that though..

I love my rubicon axles. lots of upgrades available in terms of gears, lockers, shafts, spools, etc.

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Old 04-25-2009, 10:00 PM   #3
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As for the brakes you should be fine. I went from drum to disc and not any issues that I recall.
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Old 04-27-2009, 04:26 AM   #4
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The yokes on the 44's are 1330 joints. You are either going to need to swap the joint on your drive shafts or take the yokes off your old axles and use them.

The pumps on the rubi sit on the back of the skid behind the Tcase. You should be able to mount them there as well. As for wiring them in you need to find a key on hot to wire them to along with the switch you will need to run. I'm not going to go into anymore details because wiring is most definitely not my fortay. I can usually get shit to work, but not to a point where I'm going to tell someone else how to do it on the interweb.

As for what Ben mentioned on the drive shafts. The front will probably need to be shortened a couple inches or you'll need to get a hold of a rubi driveshaft. The snouts on the 44 are longer than on the 30.
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Old 04-27-2009, 02:38 PM   #5
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Rubi 44s

I swapped in a Rubi 44 rear into my '97 TJ - I opted to get a 1310x1330 adapter joint for the rear drive shaft - also had to cut it down slightly since it was too long.

The brakes work great - no issues there at all.

I don't have the locker connected yet.
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Old 04-27-2009, 05:57 PM   #6
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I really appreciate all the replies. It looks like I'm going to wind up paying someone to install this for me...too big a project to do in the driveway (and there's the time factor - me=1 - 2 weeks / shop=1-2 days).

To top off this install, I just picked up a Vanco Big Brake Kit that I found on Craigslist.

Any other tips and thoughts on this install will be helpful.

Thanks all...

Bill
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Old 05-05-2009, 11:50 AM   #7
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Update to original question...New Question

In addition to the Rubicon axles, I'm going to install a Rubicon transfer case.

The question is: Tire size - I plan to run 33's as my Daily Driver tire (has 4.10 gears), but, I was wondering about 35's for off road. With the Rubicon transfer case, and the 4 to 1 reduction in 4L, would there be a benefit?

Thanks
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Old 05-06-2009, 12:42 AM   #8
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There will absolutely be a benefit with the 4:1 TCase. You will love it and think that it's the best thing since sliced bread where your jeep is concerned.
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Old 05-06-2009, 06:00 AM   #9
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Quote:
Originally Posted by TJBillD View Post
In addition to the Rubicon axles, I'm going to install a Rubicon transfer case.

The question is: Tire size - I plan to run 33's as my Daily Driver tire (has 4.10 gears), but, I was wondering about 35's for off road. With the Rubicon transfer case, and the 4 to 1 reduction in 4L, would there be a benefit?

Thanks
Are you asking if there would be any specific difference or benefit in bumping up to 35's for off road and keeping the 33's for on road?
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Old 05-06-2009, 12:04 PM   #10
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I guess I was looking for a reason to get the 35's at a good price, but the more I think about it, the less I want two sets of tires. So, I'll modify my question to create a new question.

33's or 35's?

The primary reason for changing my mind on my initial tire choice (33's), is because I'm changing my gearing from 3.07 to 4.10's. Will the change from my current 31" tires to 33" tires keep my RPM's the same at speed, or do I need to look at the 35's?

I'm happy now with the RPM's at speed, and the fuel mileage, so, tire size is the only way to keep it in check...

Thanks to all

Bill

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