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Unread 12-13-2006, 12:54 PM   #1
jeepsteads
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front drive shaft as a rear drive shaft

i have read a few places i couldnt find any anywhere but for a slip yoke u could use an XJ or a ZJ front drive shaft..... does anyone have a link to a write up or could you explain what needs to be done to do this im intrested in doing an SYE soon and its on a cheap project car so this is right up my alley thanks!

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Unread 12-13-2006, 01:04 PM   #2
Jeepin_XJ_101
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Quote:
Originally Posted by XJ Rockn
i have read a few places i couldnt find any anywhere but for a slip yoke u could use an XJ or a ZJ front drive shaft..... does anyone have a link to a write up or could you explain what needs to be done to do this im intrested in doing an SYE soon and its on a cheap project car so this is right up my alley thanks!
After you install the SYE you take a front driveshaft off of an automatic XJ and use it for a rear driveshaft.
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Unread 12-13-2006, 02:27 PM   #3
jeepsteads
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just like that.... what about the Grand cherokee i herd their shafts are better or something bigger and stronger
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Unread 12-13-2006, 03:37 PM   #4
bills79jeep
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Quote:
Originally Posted by XJ Rockn
just like that.... what about the Grand cherokee i herd their shafts are better or something bigger and stronger

they're longer. don't know about strength. haven't heard complaints on the forum of the XJ ones being too weak for most applications though.
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Unread 12-13-2006, 09:14 PM   #5
jeepsteads
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ok thanks guys this helps alot they want an arm and a leg for a driveshaft
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Unread 12-13-2006, 09:29 PM   #6
-=DeanstuD=-
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I just did a SYE on my brothers 91 XJ last night. I took a front drive shaft off of my 88 automatic parts XJ, and it is too short. Granted I got it to extend long enough to physically bolt up, but I am sure it would fall apart as soon as we went offroad. He has 6" or 7" lift, maybe that is the problem.?
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Unread 12-13-2006, 09:45 PM   #7
XJChris98
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I'm gonna be doing the same kinda setup over xmas break. Will a front shaft be too long for a 2" BB?
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Unread 12-13-2006, 09:49 PM   #8
joshs1ofakindxj
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im about to use one with a 3.5" lift. you have to change the one piece out of the CV joint on the dirveshaft to get it to bolt up to the SYE flange correctly.

http://www.rockforddriveline.com/Sho...R2-21-1229.asp

^thats the piece.
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Unread 12-13-2006, 09:50 PM   #9
joshs1ofakindxj
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i think the front shaft is too long for a 2" BB.
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Unread 12-13-2006, 10:21 PM   #10
pig_pen7
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I used a 89 Auto XJ driveshaft for my rear DS for my 90 Standard XJ with SYE and a D44. The driveshaft angle is pretty much perfect.
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Unread 12-13-2006, 10:59 PM   #11
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Quote:
Originally Posted by joshs1ofakindxj
im about to use one with a 3.5" lift. you have to change the one piece out of the CV joint on the dirveshaft to get it to bolt up to the SYE flange correctly.

http://www.rockforddriveline.com/Sho...R2-21-1229.asp

^thats the piece.

you're assuming people are doing the hack'n'tap method. For people doing the HD SYE, they just need a regular driveshaft, because it comes with a yoke not unlike the front driveshaft yoke at the transfer case.
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Unread 12-13-2006, 11:25 PM   #12
Wisbar
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You might run into problems with length and your D44. Eitherway with a HD SYE and front DS it will bolt right up, you may just need to get it lenghtened a bit.
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Unread 12-14-2006, 03:13 AM   #13
XJChris98
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So does anyone know for sure if the front shaft will be too long for a 2" BB?
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Unread 12-14-2006, 03:32 AM   #14
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Quote:
Originally Posted by XJChris98
So does anyone know for sure if the front shaft will be too long for a 2" BB?
Are you doing a hack n' tap or the HD SYE (advance adapter style)? If you want, I could measure the distance from the TC rear housing to the end of the yoke so you could see how much you would be shortening your output shaft. I have the PORC SYE with a front DS in the rear (advance adapter style). Here's a pic of mine with about 6" of lift in the rear. There's about three inches of compression left on it. I can measure if for sure when I get home from work. This is actually my front ds before I picked up another one. You can kinda see there are three shades of color on it. The darkest part was from stock height, the middle color was after my lift when it was on the front, and the shiney part was from putting in the rear.

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Unread 12-14-2006, 10:28 AM   #15
XJChris98
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Yes, I'll be doing the Advance Adaptors SYE. So if you want to measure that length, that would be awesome! Thanks
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