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Old 09-26-2011, 05:41 PM   #1
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Conflicting lift info - 04 Rubicon

I've read everything I could find on the forum before lifting my TJ Rubicon, but need a consensus.

I'm buying a 3" BDS suspension lift and want to avoid any drivetrain vibrations from the start. I've read the best way to accomplish is with either a SYE or t-case drop. A SYE is not needed on a Rubicon because they don't have a slip yoke. However, others have said a t-case drop is still needed on a Rubicon.

So if either option normally solves drive train vibes, and my Jeep doesn't have a slip yoke, why would it still need a t-case drop? Or was that just incorrect advice?

Appreciate any insights. I'd like to avoid dropping the t-case if I don't have to, but IF I do need to, would rather do it than a MML. Thanks!

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Old 09-26-2011, 05:43 PM   #2
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you dont need an SYE but a goodd CV drive shaft is worth the investment. t-case drops are 100% pointless

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Old 09-26-2011, 05:46 PM   #3
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Your NVG241OR transfer case is equipped with a fixed flange output, so you're correct that you don't need a SYE. But you still have a single cardan driveshaft. (two u-joints) If you do the lift and experience driveline vibrations (you almost certainly will) then drop the rear driveshaft out, measure for a new one and call Tom Wood. The double cardan driveshaft he builds is top of the line. You will need upper adjustable control arms in the rear to set pinion angle at that point, which may or may not be included in the lift you referenced in your post.
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Old 09-27-2011, 09:14 AM   #4
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Perfect, that makes sense. Thanks guys.
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Old 09-27-2011, 09:24 AM   #5
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Quote:
Originally Posted by Duma View Post
I've read everything I could find on the forum before lifting my TJ Rubicon, but need a consensus.

I'm buying a 3" BDS suspension lift and want to avoid any drivetrain vibrations from the start. I've read the best way to accomplish is with either a SYE or t-case drop. A SYE is not needed on a Rubicon because they don't have a slip yoke. However, others have said a t-case drop is still needed on a Rubicon.

So if either option normally solves drive train vibes, and my Jeep doesn't have a slip yoke, why would it still need a t-case drop? Or was that just incorrect advice?

Appreciate any insights. I'd like to avoid dropping the t-case if I don't have to, but IF I do need to, would rather do it than a MML. Thanks!
You shouldnt have an issue at all with that much lift on a rubi.

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you dont need an SYE but a goodd CV drive shaft is worth the investment. t-case drops are 100% pointless
I run transfer case drops without issue...to me I would much rather drop that 1 inch than take a chance on a CV driveshaft which costs 3 times as much as a standard one and is weaker.
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Old 09-27-2011, 10:04 AM   #6
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A Tcase drop does seem pointless..... why spend $$$ money on lifting 3-4" when your going to drop the t-case down an inch and cause a hang-up spot.

Yes the Tcase drop is good to use, until you have the money for the CV Shaft and/or a SYE if needed on NON-Rubicon models
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Old 09-27-2011, 10:09 AM   #7
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The way I look at it is, if that one inch hangs you up....your in a spot you dont need to be in the first place. The whole front output yoke of my truggy hangs down way below the frame and it doesnt slow me down People put way too much thought into stuff like that when its not really a big deal. My pops old rubi had a 1 inch drop on it and I would venture to say that 90 percent of the people would have a difficult time following him around....and he hates to scratch his paint lol
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Old 09-27-2011, 10:21 AM   #8
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Each person is different, just like each jeep is different.... it's all in personal preference.

I would rather spend the money and do it right the first time....
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Old 09-27-2011, 10:25 AM   #9
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And your "opinion" of doing it right is different than mine....no better, no worse...just different
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Old 09-27-2011, 10:26 AM   #10
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I agree on that 1" t-case drop being a big loss of ground clearance. It reduces ground clearance the same amount as replacing 35" tires with 33" tires would.

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