The Mud Pit > Wrenching

Dana 30 Upgrades

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kirksjeep:
I started my Dana 30 upgrade today while the parts are in the mail.  Now this build up is not going to be as strong as a Dana 44, but it will be much better the a stock YJ.  Here is a list of the parts I ordered:

XJ solid passenger side shaft with 297 U-joints
Alloy USA U-joints- 760 that replace the 297 size
Alloy USA outer axle seals- to keep the dirt, water and mud out the axle
Solid Diff Cover
Inner Axle seal- needed to upgrade to the XJ shaft
New Poly tie rod boots
Goferit Tie rod flip kit- moves the Tie rod up 3" out of harms way
TJ 4wd indicator switch for the NP231- eliminates all the vacuum line, and still allows the dash light to work

Guys on YJ boards say that this set up "should" be ok with 35's if I don't add a locker.  When/if I add a locker I'll need to go to some chromo shafts.  Compared to the stock 260 U-joint set up I should be about 50% stronger.  After pulling the axle shafts today I am very glad I ordered the out axle seals since the shafts were covered in mud up to where the inner seal would be.  I will also say that I am glad I decided to do this in the garage and not on the trail since the unit bearings were a little tough to get out. 

I'll try to get some pics when I get everything pulled out.  There are a lot of great write ups out there if any other YJ guys are interested.

PaulW:
MY buddies running 35's on stock 1998 xj dana 30 with full detroit and he's been ok for years.

calvynandhobbs:
Kirk, I'm glad you're doing all of these upgrades to your YJ so I have someone to help me if I decide to do this to my XJ. I have the same D30 with vacuum disconnect. If I decide to put money into my XJ I need the rear axle replaced, SYE installed, new rear driveshaft and then go to the front axle. Although, I think my engine will quit before I get to that point. My XJ is at a crossroads with dumping money into it or just running it into the ground with the intention of buying something else.

BayouGold:
you looking at a wrangler rog?

calvynandhobbs:

--- Quote from: BayouGold on March 17, 2009, 05:14:03 AM ---you looking at a wrangler rog?

--- End quote ---

Yes, I've had 3 CJ7s before I went to the XJ and I miss them. In some ways I wish I never would have sold my last CJ7, but I think it was the right thing to do at the time when Pfizer announced it was closing the Ann Arbor site. I've been looking at Rubicons more than anything else, but I'm going to keep looking and putting some money off to the side to buy something.

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