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Another Axle selection question
http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=73&t=47171
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Author:  03Cactus [ Wed Oct 14, 2009 10:12 am ]
Post subject:  Another Axle selection question

I have decided to go with the Dana 30 front axle to keep the cost down but with so many jeeps receiving the Dana 30 can someone assist which is the best? I know high pinion but there were HP versions over several different years, in many different models, and with many different sensors and such that make it difficult to choose the best.

Can someone explain the VAC disconnect?


I have a pretty well supplied junk yard in my area that i plan to pick the axle from a vehicle myself. I noticed several wrecked TJ's, ZJ's, and XJ's in the yard. Which year and model is the best? I have read many posts on here saying an early model XJ Dana 30. What makes that axle the best choice?

Have any of you guys had any experience with the Superior axle axle upgrades for the Dana 30? Is it worth the cost?


Any input would be appreciated.

Sal

Author:  pixeldzn [ Wed Oct 14, 2009 12:11 pm ]
Post subject: 

As I understand it, you want one out of an XJ due to the setup.

Most TJs that had one had a low pinion version. The only place they appeared en masse was the XJ of a certain year range.

You can almost certainly find one at a junkyard right now due to the cash for clunkers deal.

Author:  03Cactus [ Wed Oct 14, 2009 12:27 pm ]
Post subject: 

pixeldzn wrote:
As I understand it, you want one out of an XJ due to the setup.

Most TJs that had one had a low pinion version. The only place they appeared en masse was the XJ of a certain year range.

You can almost certainly find one at a junkyard right now due to the cash for clunkers deal.



The way i understand it is i am looking for a '95 and up XJ HP Dana 30 because Jeep started using the better Dana44 sized U-joints during '95. Is that it? Is there anything else to be looking for? I just want to go out there and rip an axle out of truck and get home to realize i should've grabbed something else.

Thanks.
Sal

Author:  Rock Lizard [ Wed Oct 14, 2009 12:39 pm ]
Post subject: 

The bigger UJoints (297's vs 260) started in mid/late 96. Your best bet would be to find an XJ HP30 from 97-99 and you will have the best 30 out there in stock form.

Author:  ken [ Fri Nov 06, 2009 10:20 pm ]
Post subject: 

Would a D50 front w/ 4.11's and a D 60 rear w/ 4.11's from a 81' ford f350 be a good choice for the swap?

Author:  tjkj2002 [ Fri Nov 06, 2009 11:14 pm ]
Post subject: 

ken wrote:
Would a D50 front w/ 4.11's and a D 60 rear w/ 4.11's from a 81' ford f350 be a good choice for the swap?
You'd be severely limited with the D50 front,you may not find lower gears for it and you'd need to gear deeper then 4.11's.

Author:  ken [ Sat Nov 07, 2009 12:03 am ]
Post subject: 

ok thanks :P I want a wider stance so, what like 65" + WMS to WMS? What vehicle and year(s) would get me there?

Author:  tjkj2002 [ Sat Nov 07, 2009 12:22 am ]
Post subject: 

ken wrote:
ok thanks :P I want a wider stance so, what like 65" + WMS to WMS? What vehicle and year(s) would get me there?
'74-'77 F100/F150(HP44/9" combo) or '78-'79 F250(HP44/D60 combo).

Author:  ken [ Sat Nov 07, 2009 12:27 am ]
Post subject: 

THANKS

Author:  wildman [ Sat Nov 07, 2009 10:34 pm ]
Post subject: 

But it should also be noted that ANY D30 from any year XJ isn't a bad choice. And if your going to be doing any wheeling what so ever your going to want to upgrade your axle shafts to aftermarket. In doing so your going to be getting shafts with X297 joints. This way you can also get upgraded u-joints at the same time.


The vacum disconnect came on the early models of the XJ's and YJ's.
It disconnected the axle on one side which was suppose to help with MPG and wear.

I would run aftermarket shafts of any brand. You can get Yukon, Superior & many others.

Also XJ's in earlier years than 96 also had X297 joints if they came with ABS. You should be able to tell which axles had ABS by the tone ring.

Author:  wildman [ Sat Nov 07, 2009 10:38 pm ]
Post subject: 

tjkj2002 wrote:
ken wrote:
Would a D50 front w/ 4.11's and a D 60 rear w/ 4.11's from a 81' ford f350 be a good choice for the swap?
You'd be severely limited with the D50 front,you may not find lower gears for it and you'd need to gear deeper then 4.11's.


Here are 4.56,4.89 & 5.38 gears for the Dana 50.

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