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We've been running 315's on the factory wheels since the day we bought our '19. No rubbing anywhere. Even while still on the factory suspension and fully crossed and stuffed. The factory wheels are kind of narrow though at 7.5". I don't think I'd want to put anything bigger than a 315 on them - and in fact, chose the 315 over a 35x12.50 for that reason.

I'll get new wheels when I put 37's on it, not because of backspacing but because of wheel width.

My LJ, even with 3.6" backspaced wheels (Pintlers), 35x12.50's rub the Swayloc arms at full lock (even with a couple washers under each stop). After a dozen years of running it like that I finally added some 3/4" spacers a few years ago. No more rubbing. But, at only 2.9" backspace now, I expect to go through ball joints, even faster...

- DAA
 

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Discussion Starter · #23 ·
Just curious. What is different about an upgraded 44?
 

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If I remember right the upgraded 44 is the Rubicon 44. Thicker tubes and wider track. They can charge more for the word "upgraded"
 
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Exactly, it sounds good, I'll find out more when I can look at it and compare. I have an old Dana 44 out of a '73 Chevy so we shall see.
 

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I took the oldie apart and installed an Eaton Elocker, new axles and hums but have not yet hooked it up. I can check Dana serial numbers and see what they say the difference might be. It will be a while because the order when in to Jeep a week ago and If I can find anything I'll post it.
 

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Interesting they have 4.56 gears as an option. I wish it was an option when i bought mine.
 
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