Dana 30
Depends on a lot of factors, what size tire you running, what terrain, how heavy is your lead foot, will your jeep grow?
Keep in mind, the front axle is going to be the largest investment of a 4x4.
Keep in mind, the front axle is going to be the largest investment of a 4x4.
That's a ton of gear for that size tire. 4.56 max. Also, the lower numerical ratio means a strong ring and pinion (more teeth contacting).
Sounds like you're fine with a D30. Any other route will cost a lot more. Unless you can find a used D44 with the right gearing already in it.
Sounds like you're fine with a D30. Any other route will cost a lot more. Unless you can find a used D44 with the right gearing already in it.
Talk to a few local shops about the rates and do a side-by-side comparison.
https://www.jk-forum.com/forums/modi...-build-274896/
And remember that if you upgrade to a rubi-44, you still have the same added costs for sleeve/truss/gussets as with the d30. But on the plus side, 4.10's might be a decent ratio for your needs and you get the e-lockers.
https://www.jk-forum.com/forums/modi...-build-274896/
And remember that if you upgrade to a rubi-44, you still have the same added costs for sleeve/truss/gussets as with the d30. But on the plus side, 4.10's might be a decent ratio for your needs and you get the e-lockers.
Talk to a few local shops about the rates and do a side-by-side comparison.
https://www.jk-forum.com/forums/modi...-build-274896/
And remember that if you upgrade to a rubi-44, you still have the same added costs for sleeve/truss/gussets as with the d30. But on the plus side, 4.10's might be a decent ratio for your needs and you get the e-lockers.
https://www.jk-forum.com/forums/modi...-build-274896/
And remember that if you upgrade to a rubi-44, you still have the same added costs for sleeve/truss/gussets as with the d30. But on the plus side, 4.10's might be a decent ratio for your needs and you get the e-lockers.
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Yep, I think this could make sense. You can get a new crate D44 with 4.10s for $1800. A regear for the front D30 is probably around $750, give or take. Then you are around $900 for a locker. However, if you get a new crate axle, you can sell your stock axle for $500-$700. So, the net cost would be $1200. Then $60 for gussets and $120 for sleeves. Regear the rear to 4.10s and off you go.
Good question. I'm installing one for a club member this weekend. He picked it up for $1800. Had it sent to the local shop for a $500 regear and then to my garage for gussets, sleeves and a swap. I can ask next time I talk to him. It wasn't a special deal, just found the place online.
New front rubi 44's are in the $2600ish range on a few sites (moparpartsdiscounted & allmoparparts), right around $3000 after shipping. Then add the gussets/sleeves/truss that were going on the d30. And gears if you want something other than 4.10 or 3.73. A 'new' rubi44 starts making a lot less sense when you add it up and compare to a pr/tera. A 'used' rubi44, if you can get it for the right price, might... 
Awesome price he found. Be sure to share the site if you can. Way back in 08 they were going for under 2k, but these days you are paying $1400 for the locker alone.

Awesome price he found. Be sure to share the site if you can. Way back in 08 they were going for under 2k, but these days you are paying $1400 for the locker alone.
Last edited by nthinuf; Nov 17, 2014 at 12:53 PM.



