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Unread 11-12-2013, 05:39 PM   #46
Michaelgoesrawr
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Quote:
Originally Posted by Mambo_Dave
I'm posting in this thread because I don't like new threads for existing subjects. I'm contemplating buying a Rough Country 4" lift kit. My question, since I've not put eyes on a lot of them, is just how much can a transfer case be lowered? Do different kits lower them different amounts? (lower seems better) This seems to be part of why some people get vibes and some don't - the amount the transfer case was lowered.
The proper way to fix the vibrations is to get a slip yolk eliminator. Why would you lift the jeep just to lower the transfer case and reduce clearance? You can shim the rear axle to help fix vibrations too.

Tcase drops put stress on your motor mounts which can reduce the life span of them. If you're gonna drop the case, get a 1" motor mount lift from brown dog to help your tcase drop

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Unread 11-12-2013, 07:03 PM   #47
superj
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I have an old man emu 2.5" lift and a t-case drop and still have vibes. I need the sye and driveshaft
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Unread 11-13-2013, 10:15 AM   #48
StanF
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+1 for a motor mount lift instead of a Tcase drop.

Another reason for an SYE - I also worry about the slip joint pulling out of the transmission when offroading. You will reduce the engagement of the slip yolk splines when you install a suspension lift. Higher lifts = less engagement.
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Unread 11-13-2013, 04:33 PM   #49
Damon1995
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i have 3.5" springs and 1.75" lift shackles and no sye.
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Unread 11-13-2013, 05:53 PM   #50
superj
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I bet having an automatic makes a difference on this. Auto 6 cylinders have the shortest driveshaft, I imagine
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Unread 11-13-2013, 05:59 PM   #51
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Unread 11-13-2013, 06:50 PM   #52
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