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Discussion Starter · #1 ·
I am running a rear D60 FF and a front D44 (3/4T) in my CJ8 and want to run 3" backspace to help clear the brakes. I am seeking opinions as to wheel bearing life spans (I do not see a problem) with using a shallow backspace wheel in such a relatively light vehicle. I know those offset wheels can sometimes play havoc with wheel bearings but I think if these axles (bearings) were used in 3/4 and 1T trucks it should not be a problem in a Jeep. Which also brings up the ? of using those billet alum wheel spacers (only like an inch) on a setup like this. I know some people would frown on using them because of the wheel bearing issue BUT again in light weight vehicle? I will be running 36"-38" Swampers (I know heavier than OEM tires on a 1T) but will be taking it easy (mostly) with the vehicle. So, what do you all think? I know the axles should be made to a width to compensate, I had made my widths 56" WM-WM, but plans change at times. I would like to see some opinions form you. Thanks. John
 

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wheel bearing life should be shortened with a lot of offset, but we wheel our sheit through mud and stuff so much it probably really won't be an issue. And they are cheap and easy to replace.
 

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It is true that having high scrub will shorten the life of a wheel bearings and also the brakes and wheel lugs. I think that your bearings should be fine since they are larger anyway. Another problem that comes up is death wobble. If you are keeping it off the street, you should be fine. But if you run it down the highway, you may have some serious steering goemetry problems. I like my narrow wheels for this reason.
 

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Besides a considerably lighter vehicle than the axle were designed for, you have the added advantage of having full floating axles. The full floating design, I would imagine, could handle the offset wheel far better than a semi-floating.

chad
 

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You will barely even notice the 3" backspacing, if you notice it at all.
The D44 bearings will be no more affected by the backspacing than the extra wear and tear nromaly associated with big tires and abusive off road driving.
I have been running 15x10 wheels with 3" backspacing on my D44 for 3 years. Most of that time was with 36x12.50 SX tires, recently I have been on 38.50x14.50 SX.
The extra stance also allows you to decrease your steering radius with your steering stops, without hitting your leafs with your tires.
 

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I have seen a bunch of stock rims that run 3.5" of backspacing so it shouldn't be a big deal. If you run a 10" rim there will be some extra force on the bearings but not enough to cause a problem. I have used a 10" wide rims with 3" of backspacing and didn't have any problems. Go for it. <IMG SRC="smilies/biggrin.gif" border="0">
 

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Discussion Starter · #7 ·
Thanks everyone! All very good points and pretty much what I had thought. True about the "extra" maintainance of the wheel bearings which should be done anyway with the way we use our 4WD's. And yes, the size of these bearings (D60/D44) would allow them to take more "stress" and no a 15x8" wheel with 3" BS is not alot of BS compared to a wider wheel. Thanks again for the input. John
 
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