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3.5" Rubicon lift and driveline angles?

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Old 10-11-2011, 08:40 PM
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Default 3.5" Rubicon lift and driveline angles?

I tried the search, and really didnt find anything useful.
Lift isnt installed yet. But its a full leaf pack 3.5"
I have a 99 with the 231 and a 8.25.
Trying to avoid an sye and even a tc drop. Maybe I wont need anything. But thinking I should order up some shims just in case? if so what *?
I know sometimes they all can be different just looking for common general info on this.
thanks in advance
Old 10-11-2011, 08:45 PM
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Originally Posted by 2trackin
I tried the search, and really didnt find anything useful.
Lift isnt installed yet. But its a full leaf pack 3.5"
I have a 99 with the 231 and a 8.25.
Trying to avoid an sye and even a tc drop. Maybe I wont need anything. But thinking I should order up some shims just in case? if so what *?
I know sometimes they all can be different just looking for common general info on this.
thanks in advance
Shims won't work unless you have an SYE with a CV shaft.
Old 10-11-2011, 08:48 PM
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I would definitely order shims along with the lift, make sure they are steel though and not aluminum! I think RE also sells them. I'm new to all this myself, just giving you info I've found after snooping around on the forum for a while .

As for your drive line, I have heard that 97+ Cherokees came with shorter drive lines so they are more sensitive to being lifted and having vibrations afterwards. You may be fine, but then again you may not. I think its a hit or miss kind of thing.

If you DO need a T-Case Drop, consider this:

http://rustysoffroad.com/mm5/merchan...Category_Code=

Its actually a new cross member, they claim you don't lose any ground clearance with it. Its what I will be ordering if I get vibes after shims on my 2000 when I lift it 2"

Otherwise just buy those 1" block things.

Good luck!
George
Old 10-11-2011, 08:55 PM
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Check it out

Originally Posted by OOdynamite
Im like 99% positive that axles shims will do nothing unless you get an SYE. This is because in the first pic is what your driveline looks like now, and that is what it should look like. The second pic is what your driveline looks like with the SYE. See how the axle is tilted up? Thats what the axle shims do so that the axle is inline with the DS. Without the SYE, you don't want your axle tilted forward
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Old 10-11-2011, 09:45 PM
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Idk I have around 4" of lift and a 1" tcase drop + 2* shims fixed my vibes.. And I've seen 3" lift kits come with 2* shims so I think they do something. I'd go with that tcase crossmember or just a drop though if you wanna steer clear of a sye
Old 10-12-2011, 07:38 AM
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Thanks guys. I think I may shoot for the tcase drop..I plan on builting skid plates and crossmember frame bracing to sturdy things up a bit while I'm under there as well.
Old 10-12-2011, 07:50 AM
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The RE kit will lift your truck close to 4.5"

I have one installed on my 01 limited and a t-case drop made my vibes liveable until i can get an sye. You will need something to correct it, so go ahead and budget for it. The tcase drop i got from rustys was 45 bucks shipped and it came next day through regular ups.
Old 10-12-2011, 01:12 PM
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Originally Posted by the buddmang
The RE kit will lift your truck close to 4.5"

I have one installed on my 01 limited and a t-case drop made my vibes liveable until i can get an sye. You will need something to correct it, so go ahead and budget for it. The tcase drop i got from rustys was 45 bucks shipped and it came next day through regular ups.
X2 I have RE 3.5 with a t-case drop. The drop made the vibes better but now I am looking into a SYE just to make everything Right. T-case drop just puts stress on other parts.
Old 10-13-2011, 09:50 AM
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Default Vibes

I ran the same lift on my '98 and NEVER had any vibes. I know all Jeeps are different but I would wait and see how it works before spending extra money... Unless of course your filthy rich, and if you are I accept donations.
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