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Modified JK Tech Tech related bulletin board forum regarding subjects such as suspension, tires & wheels, steering, bumpers, skid plates, drive train, cages, on-board air and other useful modifications that will help improve the performance and protection of your Jeep JK Wrangler (Rubicon, Sahara, Unlimited and X) on the trail.

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Built Dana 30 or Mopar Dana 44

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Old 05-21-2008, 12:06 PM
  #21  
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Arb, Arb compresser , Gears and a install kit if you are changing gear ratio.

David
Old 05-21-2008, 12:20 PM
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I meant the upgraded shafts for the D30.
Old 05-21-2008, 12:26 PM
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Alloy USA has new shafts for 699.95 and they come complete. they also have a 10 year warranty.

David
Old 05-21-2008, 12:27 PM
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Originally Posted by RedneckJeep
You can easily have reinforcing gussets installed on the D30 to make it stronger. I'm like you. Haven't seen any broken D30 housings yet either.....but some 44s.
anybody did this yet??? pics???
Old 05-21-2008, 12:34 PM
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Originally Posted by RedneckJeep
Haven't seen any broken D30 housings yet either.....but some 44s.
that's because D30s are so much stronger than D44s

...actually my buddy rockcrawls pretty hardcore and ran a built D30 with custom trusses, axle shafts, yada yada on his, worked for a good while but he upgraded to a D44 f/r, as for a built D30 being stronger than a stock D44 I've "heard" that but yet to see any real proof (other than people saying "really it is"). I'm sure it has and can be done but for the cost might as well upgrade to something you can upgrade even more down the road.

Just get a D44 and you can always upgrade it to be as strong as a D60 ....j/k...but possible
Old 05-21-2008, 01:09 PM
  #26  
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as for a built D30 being stronger than a stock D44 I've "heard" that but yet to see any real proof (other than people saying "really it is").

Ok well here is your proof:

Dana 30 and Dana 44 have the same tube thickness and same outers as.

Dana 30 and Dana 44 have the same brackets

Dana 44 has a 8.50" ring gear
Dana 30 has a 7.20" ring gear

Stock Rubicon Locker is Prone to breakage
ARB IMHO is the stongest locker on the market

Stock shafts are prone to "wollow" out the ears and loosing a u-joint.
Alloy USA shafts USE full circle clips and made from 4340 Chromoly. Dont have strength figures but I would say 30-50% stronger.

So if you build your D30 up everyhting will be the same or stronger except the ring gear. And very few people break ring and pinions. maybe 1 or 2 a year out of 1000's of ring and pinions that we sell.

If you have a rubicon the 44 is great, The debate here is if you have a X or sahara is it worth buying a dana 44 over building your 30.

Hope that Helps
David
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Old 05-21-2008, 01:17 PM
  #27  
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Originally Posted by Northridge4x4
Ok well here is your proof:

Dana 30 and Dana 44 have the same tube thickness and same outers as.

Dana 30 and Dana 44 have the same brackets

Dana 44 has a 8.50" ring gear
Dana 30 has a 7.20" ring gear

Stock Rubicon Locker is Prone to breakage
ARB IMHO is the stongest locker on the market

Stock shafts are prone to "wollow" out the ears and loosing a u-joint.
Alloy USA shafts USE full circle clips and made from 4340 Chromoly. Dont have strength figures but I would say 30-50% stronger.

So if you build your D30 up everyhting will be the same or stronger except the ring gear. And very few people break ring and pinions. maybe 1 or 2 a year out of 1000's of ring and pinions that we sell.

If you have a rubicon the 44 is great, The debate here is if you have a X or sahara is it worth buying a dana 44 over building your 30.

Hope that Helps
David
Thanks for the post, good to see some specs. I wonder what a fully built D30 with ALL good components (built outters, etc) and trusses would cost to build? That would be a nice benchmark to see. As for the axle tubes being the same that's news, think I'll do some research to find out if there is a difference at all. I know the D44 tubes are thicker ID at least, because you can't buy the Warn outter seals yet, not manufactured yet from what Warn told me, only for the TJ D44s, guess they are working on the JK version. If Chrysler is "now" building D30s the same thickness tubing as D44s, that's pretty sweet....hard to believe, worth some research I guess.
Old 05-21-2008, 02:12 PM
  #28  
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Originally Posted by SASQUATCH
that's because D30s are so much stronger than D44s

...actually my buddy rockcrawls pretty hardcore and ran a built D30 with custom trusses, axle shafts, yada yada on his, worked for a good while but he upgraded to a D44 f/r, as for a built D30 being stronger than a stock D44 I've "heard" that but yet to see any real proof (other than people saying "really it is"). I'm sure it has and can be done but for the cost might as well upgrade to something you can upgrade even more down the road.

Just get a D44 and you can always upgrade it to be as strong as a D60 ....j/k...but possible

I never said the D30 was stronger...just that it would WORK.
Old 05-21-2008, 02:19 PM
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Originally Posted by RedneckJeep
I never said the D30 was stronger...just that it would WORK.
Oh I knew that, was just having a little fun with the conversation.
Old 05-21-2008, 03:09 PM
  #30  
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Original post
https://www.jk-forum.com/forums/modified-jk-tech-2/front-dana-30-a-40491/

You should consider our Rock Jock 60 with the factory outters. It comes with 3.0" tubes, re-inforced inner "c's", HD 4130 tie rod, Alloy large inner and outter shafts, Johnny Joints on both upper mounts, HD 3/16" thick brackets, Mopar u-joints and HD 3/8" thick cover. Equipped with ARB and gears, you are looking at 4,360.00. Core charge for inner "c's".

When comparing to Mopar 44 with Alloy shafts, ARB, gears and bearings the total comes up to 3,425.00 + installation of gears. The major down side of this setup is the 2.5" axle housing and tubes that bend fairlly easy.
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If you go for building a 30 we offer JK Rubicon Dana 44 shafts for a Dana 30


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