JK axles
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JK Super Freak
Joined: Apr 2008
Posts: 1,231
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From: Guam - PCSing to McGuire AFB, NJ in July '09
Just wondering what you guys think.
I've found a decent deal on an '08 Unlimited Sahara and might buy it. Biggest problem is it has the 3.21 gears.
If I decide to regear, I'll most likely lock 'em front and rear, too, and upgrade the front to a D44. Since I'm already gettin' one axle, would it be completely stupid to just buy both front/rear as shown here http://www.4wheelparts.com/jeep-parts-list.aspx?jeep-subcat=353&plID=354 and just sell the JK D44/D30 to another Jeeper?
The newer D44/D30 combo is stronger than '06 and earlier, right?
Thoughts? Comments?
I've found a decent deal on an '08 Unlimited Sahara and might buy it. Biggest problem is it has the 3.21 gears.
If I decide to regear, I'll most likely lock 'em front and rear, too, and upgrade the front to a D44. Since I'm already gettin' one axle, would it be completely stupid to just buy both front/rear as shown here http://www.4wheelparts.com/jeep-parts-list.aspx?jeep-subcat=353&plID=354 and just sell the JK D44/D30 to another Jeeper?
The newer D44/D30 combo is stronger than '06 and earlier, right?
Thoughts? Comments?
Last edited by Piginajeep; Apr 22, 2008 at 06:40 AM. Reason: dont post links to non-sponsors
i have a 08 unlimited and i have 321 in the rear kind of depressing but i only have 31's for now with a 2.5 bb lift and it's ok i will upgrade eventually but for now i think i will be fine.
how hard is it to get the kit and change the gears in the rear? and would i have to re gear the front as well. i can build a jeep from the ground up but i have never messed with axle upgrades before.
That is still a good option though for someone like you that has the Spyntech front hubs because the D60 rears are 5 on 5.5.
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Well I wouldnt suggest trying your first regear on a JK, guys that have done gears for years have trouble getting these gears right.
I wouldn't completely rule it out. The D60 rear is a production Jeep part for Mopar due to the J8, and any D60 front would have to come from a 3/4 or 1 ton full size rig. Maybe they will do it as an aftermarket optional item, but I was under the impression that Chrysler was cutting back on the Mopar aftermarket unless it was a production item somewhere.


