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Unread 12-01-2003, 12:05 AM   #1
Lavacrawler
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TJ axle shaft conversion?

I was on another site and someone mentioned something about swapping the front YJ axle shafts with tj shafts.
What is the benefit & details of this swap and is there any write-ups on it?
Thanks
-Lavacrawler-

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Unread 12-01-2003, 12:13 AM   #2
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Benefits would be converting from the pre95 smaller 260 U-joints to post 95 297(dana 44 size) u-joints. And eliminating the vaccum disconnect. All you need to do is install 2 oil seals, and remove the fork from the vaccum disconnect, and use the rest of it as a block off plate. Also XJ shafts will have 297 u-joints also.
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Unread 12-01-2003, 12:16 AM   #3
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So by eliminating the vaccum disconnect is it going to be locked in all the time? Thus making the front driveline spin all the time?
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Unread 12-01-2003, 12:23 AM   #4
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Yup, that is why TJ front Dshafts are balanced, and most YJ's are not. So just balance your Dshaft and you are good to go.
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Unread 12-02-2003, 12:11 AM   #5
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I could be wrong but I was under the impression that the 95 yj's have the x297 u-joints and the vacuum disconnect. Therfore thier front drive shaft does not spin all the time like the tj's
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Unread 12-02-2003, 12:29 AM   #6
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yup, most 95's have the 297 u-joints. Why i said post 95, as in including 95. Also 93-up XJ with ABS is a pretty sure bet for the 297 u-joints.
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Unread 12-02-2003, 12:32 AM   #7
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How about a 94yj with abs? I have never looked to see what I have.
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Unread 12-02-2003, 12:41 AM   #8
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I dont think so, but you could measure and find out.
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Unread 12-02-2003, 10:12 AM   #9
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This may make me look stupid, but what are the two seals that you need.
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Unread 01-01-2004, 01:31 PM   #10
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Quote:
Originally Posted by Lavacrawler
This may make me look stupid, but what are the two seals that you need.
BTT ....


I need to know what seals to get as well. I mean, I know I need the seals that go on either side of the diff, but does anyone have a part number or anything? Will the seals that fit a tj/xj d30 work or do I need to look for a non standard part?
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Unread 01-01-2004, 09:05 PM   #11
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Well, I have been researching this all night.....

Apparently, Warn has a seal that will work but nobody knows the part number.

The other option is to use the standard non disco seal, but you have to "machine" the housing with a dremel or something to accpet it....

I also keep reading that DTD or Randys or Rustys sells a kit with a seal that will work, along with a cover plate for the vaccum .... but nobody seem to be able to verify this.


Anybody on here ever swapped in a once piece shaft for the 2 piece?
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Unread 01-01-2004, 09:11 PM   #12
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I would take a look over at Pirate for the info. Ton of threads on it I'm sure.
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Unread 01-01-2004, 09:32 PM   #13
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Quote:
Originally Posted by Devious
I would take a look over at Pirate for the info. Ton of threads on it I'm sure.

Actually, there is almost nothign over there about it that I could find ..... remember, pirate isn't very d30 friendly
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Unread 01-01-2004, 09:37 PM   #14
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Quote:
Originally Posted by LOCKED UP
Actually, there is almost nothign over there about it that I could find ..... remember, pirate isn't very d30 friendly

Yes I forgot about that, how silly of me.

D60 or nothing at all!!!!11
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Unread 01-02-2004, 12:09 AM   #15
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More info for others thinkng about doing this....

The warn seal will not work, unless you have the warn alloy axleshaft. Apparently it is a different diameter.

Looks like I'll need to get 2 seals for a late model (matching the 1 piece shafts I have) and "machine" the pass side with a dremel 2-3mm to accept it. From there out it looks to be the same as changing the seal on the driver side....

Supposedly, The Jeep/Mopar part number for the late model (non disco) seal is: 4874477


I'll keep yall updated as I get this going over the weekend....
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