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Is the Dana 30 strong enough to support 35's?

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Old Mar 4, 2009 | 07:30 AM
  #21  
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Thanks Black Northern JK....
I am trying to learn as best I can, before tomorrow... when I will be pulling the trigger on either an X or a Rubi... both black 6spd 4drs.... the x is an 08... the Rubi an 09. I can finance the extra money on the x at a longer period of time and put a lift on all under 0%... or I can get the Rubi and patiently wait to build her up as I can afford it. I might want to run 37's one day... so looks like I am leaning on the Rubi and patience... on the other hand, patience likes to burn a hole in my pocket!
L8R, Jacob
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Old Mar 4, 2009 | 07:53 AM
  #22  
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Originally Posted by livin
Thanks Black Northern JK....
I am trying to learn as best I can, before tomorrow... when I will be pulling the trigger on either an X or a Rubi... both black 6spd 4drs.... the x is an 08... the Rubi an 09. I can finance the extra money on the x at a longer period of time and put a lift on all under 0%... or I can get the Rubi and patiently wait to build her up as I can afford it. I might want to run 37's one day... so looks like I am leaning on the Rubi and patience... on the other hand, patience likes to burn a hole in my pocket!
L8R, Jacob
You know...I LOVE my X, really I do, but if I had the option to redo it and buy a Rubi, I'll be honest with you, I would...at first I wasn't serious into wheeling...but you know how that goes, now I'm addicted to all things Jeep.
For the added benefit of front and rear lockers and the 4:1 transfer ratio ALONE I would be happy...but, as I'm in my X now I'm building her up, rear Ected locker on order to be installed with 4.10 gears shortly, it's costly to do all this after the fact...but good luck and may the force be with you tomorrow
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Old Mar 4, 2009 | 08:05 AM
  #23  
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Originally Posted by MaloCS
WHEEL SPIN is bad... WHEEL HOP is bad... LACK of COMMON SENSE is very bad.
yes you can't substitute common sense.

OP if you can afford the rubi, then go that route unless you are gonna throw 60s under your heep, you'll be much happier
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Old Mar 4, 2009 | 08:07 AM
  #24  
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Originally Posted by joneszj
So whats like "the final answer" on this?

Alot of people seem to run 35s on the X's with the D30 front axles, because I am saving money right now to afford wheels and tires, I want to make sure I do everything the right way the first time. With a 4" lift and full set of arms, will this setup be fine for a while with the D30s, with say 90% time on road and 10% mild wheeling on trails, or should I consider beefing up the axle before I mount the 35s?

...

Also, I will be suffering with the 3.21 gears for a bit while I make up my mind between 4.88s and 5.13s... When I do regear, the D30 should be fine correct? Should I consider at a minimum axle sleeves or a cro-moly shaft? which is better and how much will the new gears stress the axle, or will it actually make less stress for the axle?
I would go with 4.88's. Thats plenty of gearing for 35's, and the pinion will be stronger. With 5.13's the pinion on a D30 (and a D44 for that matter) get laughably small. And you are just asking to snap them off.
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Old Mar 4, 2009 | 09:46 AM
  #25  
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Originally Posted by JK Freedom

But if I were you, I wouldn't go rock crawling
I am rock crawling when I off road... The D30 is handling it so far.
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Old Mar 4, 2009 | 04:42 PM
  #26  
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Originally Posted by greenamphibious
interesting... what changed specifically?

BTW I ran 35s on my old TJ d30 for the longest time... as soon as I locked the front... KABOOM
I too would like to know the difference. I know a guy that is selling some CM Shafts off his TJ and would like to know if they fit before I bother wasting his time asking to purcahse these CM shafts.
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Old Mar 4, 2009 | 04:45 PM
  #27  
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Originally Posted by kop8456
I too would like to know the difference. I know a guy that is selling some CM Shafts off his TJ and would like to know if they fit before I bother wasting his time asking to purcahse these CM shafts.
The TJ shafts will not fit the JK.
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Old Mar 4, 2009 | 04:51 PM
  #28  
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So basically we just have to order anything axle related from a vendor? It seems nothing older will fit these JK axles......
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Old Mar 4, 2009 | 04:53 PM
  #29  
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Originally Posted by kop8456
So basically we just have to order anything axle related from a vendor? It seems nothing older will fit these JK axles......
That is Chrysler's fault. They built the JKs 5" wider that the TJs, so that means the TJ axles will not be long enough.
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Old Mar 4, 2009 | 04:56 PM
  #30  
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Originally Posted by kop8456
So basically we just have to order anything axle related from a vendor? It seems nothing older will fit these JK axles......
exactly....unfortunately this gen of axles is smaller than full width but wider and larger than TJ axles....so in maybe 8-10 years we can rob parts from this generation of axles but as of right now we're all stuck ordering from tha man
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