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Old 01-24-2006, 09:45 PM   #1
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Need some axle help

I have an '05 TJ and need to get educated on the axles. It's not a Rubicon, so I think that means I have a Dana 30 & a Dana 35c. I put 17" wheels and 32's on it with a 2" lift and I think that's ok from what I've read. But what do I need to have to go larger or to get out and do some extreme fun? lockers? (do they go on front and rear?) Dana 44? Two Dana 44's? Is just a chrome moly axle just as good as an upgrade to a larger axle? Or am I actually fine just the way I am?
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Old 01-24-2006, 11:12 PM   #2
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for starters....you are good to go with the 32's and the 2'' lift. are you running the 4.0? if not, and you wanna go larger, you are gonna need to regear....you could even regear the 4.0 if you go larger, but not as necessary. the d35 rear axle isn't very strong. while i've never had problems wheeling on it(i'm on 30's), i've heard of guys who have broken shafts on 32's. the d35 does not like to be locked. if you wanna go lots bigger(35 and up) you will want to look into d44's or 60's(find a set from a wrecked rubi, maybe). Or you could just start with the rear axle, as the d30 does alright(especially with hd shafts). you can get a ford 8.8 out of an explorer or something of that nature and it will stand up better than the d35. hope this give you a starting place. i'm sure more guys will chime in with their opinions as well.

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Old 01-25-2006, 09:12 AM   #3
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I would say go out and wheel it like it is for now, and see how you do. If you don't have one get an oil pan skid and perhaps a aftermarket gas skid. then if you feel you need lockers, or bigger tires, lift etc over what you have, we can then recommend some based on what you found didn't work or where you had issues.
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Old 01-25-2006, 01:19 PM   #4
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First before you start worrying about it you need to find out what axle you actually have back there. If your diff has a steel drain plug then you have a D44. If it has a plastic drain plug then you have a D35.

And if you do have a 35 then the best advice you can get is to not lock it.
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Old 01-28-2006, 06:11 AM   #5
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If you are looking to play offroad, your current wheel and tire combination seems an odd choice. With better footing under you, there is a lot you can do on 31's or 32's in a Dana 35/30 setup and no lockers.

If you have a Dana 44 in the rear, you can modify your Jeep and comfortably run 33 to 35 inch rubber. At the larger end, you can reasonably expect the need someday to upgrade to higher quality axleshafts. Lot of locker options available for the 44.

Some people wheel conservatively on 33's running a Dana 35 out back. There are upgrade kits for it making big strength claims, but the general consensus is that it has a weaknesses: ring and pinion, 27 spline axle shafts, C-clip design.

The Dana 30 up front usually withstands bigger rubber and a traction device, but stronger shafts are a good idea.
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Old 01-29-2006, 08:29 PM   #6
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need some axle help

I have the 32's because I wanted to go larger, but wasn't sure just how large I could go with the stock axles. Besides that, I have to drive it to work daily and need to compromise a bit. That's why I chose the tread I did. If I had it to do over, I'd get a Rubicon so I could have the heavier axles.

What can I do to make what I have (30 & 35) more bullet proof? Anyone familiar with how the Oz lockers are working on these axles?
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Old 01-29-2006, 08:56 PM   #7
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Personally, I'd buy a set of 15" steel wheels and 31 or 32" mud tires, swap them on the weekends, and run the hell out of it. Save up for a Dana 44 with a locker rather than throw good money at the marginal Dana 35.

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