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37's on dana 30?


 
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langston4
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Joined: 07 Feb 2006

PostPosted: Sun Jul 22, 2007 8:08 am    Post subject: 37's on dana 30? Reply with quote

just lookin for more opinions on the repeated question about tire size on your dana 30 front. im currently lookin for a front d44, however, im wondering what everyone thinks about running 37" wrangler mtr's on an open d30 front with 488s. no rock crawling, but i do hit mud, snow, and some sand. this is also my dd, and im sure its overkill, but i like how they look
thanks
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berk9
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Joined: 16 Apr 2007
Location: Waynesboro VA

PostPosted: Sun Jul 22, 2007 10:46 am    Post subject: Reply with quote

i had 35s on my wrangler with an open 30 and wheeled the crap out of it and never had a problem... on the other hand i know a guy with a rubicon that broke his stock 44 just driving on the interstate with 36 13.50!!! i personally think youll be fine if you take it easy on the skiny peddle, but, but id cary spares for boths sides cus it wouldnt be a shock by anymeans if something broke
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ehirner
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Joined: 01 Jan 2004
Location: Eastern PA

PostPosted: Sun Jul 22, 2007 1:46 pm    Post subject: Reply with quote

Not a great idea. 35s are the functional limit for the D30 and ever then, I'd strongly recommend upgrading your shafts. The problem is the small (respectively) sized u-joints and shafts. They just don't handle big tires consistently well. A D44 isn't going to be much strong either with respect to the D30s weaknesses. TJ D30s received D44 u-joints and their balljoints are of similar durability.
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langston4
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Joined: 07 Feb 2006

PostPosted: Sun Jul 22, 2007 2:37 pm    Post subject: Reply with quote

so do you think i should save my money on the d44, and just carry some spare ujoints and stay away from rocks with the d30and 37s
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Keithtj
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Joined: 05 Jan 2004
Location: Out of jail now

PostPosted: Mon Jul 23, 2007 6:30 am    Post subject: Reply with quote

No, what he thinks is that you should save your money on the 37's. Don't go larger than 35's on that axle. There's really no point on 37's if you can't wheel it.
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blktrax
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Joined: 01 May 2007

PostPosted: Mon Jul 23, 2007 7:00 am    Post subject: Reply with quote

Or save your money and get a Dana 60
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ehirner
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PostPosted: Mon Jul 23, 2007 2:44 pm    Post subject: Reply with quote

langston4 wrote:
so do you think i should save my money on the d44, and just carry some spare ujoints and stay away from rocks with the d30and 37s

I think spending money on a D44 isn't worth it when making strength and reliability comparisons to the D30. If you want to truly run 37s and the terrain that requires tires so large, then get an appropriate axle. Perhaps a HP D60 for example. In the meantime, if you need 37s, I'd be sure to carry u-joints and shafts for the front AND rear axle.
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