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Old 10-04-2011, 08:16 AM   #1
Tommy D's Avatar
Join Date: Jan 2011
Location: RI
Posts: 3
keep breaking rear universal

i put a 4" sping lift and keep snaping the u joint i took the wedges out to repitch the rear end it worked for awhile but now its broken again what is the correct pitch and or any other sugestions(87 yj)

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Old 10-04-2011, 10:38 AM   #2
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Join Date: Aug 2011
Location: Indiana
Posts: 349
Get us some pics showing the pinion and the drive shaft in a single photo, then get us one with the slip yolk and drive shaft in a single pic.

My Build Thread:

94 YJ, 4.0 5-speed, 4" RC Lift, 8.8 Rear End

2 Timothy 1:7 For God gave us a spirit not of fear but of power and love and self-control.
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Old 10-04-2011, 10:44 AM   #3
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Join Date: Jul 2010
Location: New Hampshire
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With the 4" lift you have ventured into 'more things to change' mode on your YJ. I put a 3" lift under a 94 YJ and with the 4 cyl. there wasn't enough weight to 'compress' the springs so actual lift was over 4"! But we had anticipated that and put in an SYE (slip yoke eliminator) for under $300, and had a spare driveshaft cut and sized to fit for another $100 I think. Just sold it 2 months ago and had only used it a half dozen times but it kept up with my Rubicon on every local trail without lockers! And no vibration or problems with ujoints.
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