Do I really need cv shaft and SYE. - JeepForum.com
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Unread 02-23-2014, 06:29 PM   #1
wranglerjrk09
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2004 TJ Wrangler 
 
Join Date: Feb 2014
Location: lebanon, OH
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Do I really need cv shaft and SYE.

I have a 2004 X with 3" lift on 33's. So I'm having vibrations in my drive train, and I was wondering if I need the SYE and cv shaft. Or if I can get by with just new upper control arms??

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Unread 02-23-2014, 06:55 PM   #2
krawler510
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T case drop made my tj with 4" lift drive smooth but the u joints in the driveshaft roasted after 10,000 miles.

The smoothness you get from the sye will surprise you.
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Unread 02-23-2014, 06:59 PM   #3
wranglerjrk09
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Im thinking now it could be bad flywheel?
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Unread 02-23-2014, 09:21 PM   #4
Demp
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Flywheel or not, with a standard length TJ 3" of lift is right where you want to consider a SYE. Some people skirt by with Tcase drops (reduces belly clearance) or upper arms, but in the end the SYE will make a world of difference. Of note you will need the upper control arms anyway to get the CV shaft lined up right.
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Unread 02-24-2014, 05:23 AM   #5
wranglerjrk09
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Well I have the SYE and CV shaft on its way, and also control arms.

And gonna get my flywheel checked out
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Unread 02-28-2014, 08:23 AM   #6
dirtroaddesigns
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1989 YJ Wrangler 
 
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Here is the CV Drive Shaft Pic
drive-shaft-charm-copy.jpg  
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Unread 02-28-2014, 01:48 PM   #7
XTRyan
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Quote:
Originally Posted by wranglerjrk09 View Post
Well I have the SYE and CV shaft on its way, and also control arms.

And gonna get my flywheel checked out
That's a good call. 3" is right on the border of needing drive line correction or not. You may have been able to get by with a Motor Mount Lift and/or Transfer Case Drop but the SYE/CV Drive Shaft is the right way to do it.. Once you get your pinion angle set correctly you'll be good to go.

What drive shaft are you getting? Make sure you grease the centering ball regularly. It has a flat grease fitting and requires a pointed end on your grease gun to get to it. Good Luck!

-Ryan
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Unread 02-28-2014, 01:49 PM   #8
wranglerjrk09
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Im gettjng a Tom woods.
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