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Old 01-09-2011, 12:44 AM   #1
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What should i do?

So im thinking about putting a 4" lift on my 93 yj with a 1 1/4in shackle lift and 31in tires and was wondering if i should get a cv driveshaft too. let me know what you think. thanks

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Old 01-09-2011, 12:58 AM   #2
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Do the 4" but for 31's there's no need for shackles also...... CV shaft is nice to have but not required in my opinion.. When i had my 4" lift I had the t-case drop and ran the stock shaft for over 10K without a vibration ever.... I now have a CV shaft because I have a 10" lift..

If you have the cash to do the CV shaft then go ahead and do it... Better to have than not but absolutely not required.

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Old 01-09-2011, 01:16 AM   #3
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I know i just want to keep the shackles for a little more height and looks. ok thanks. damn what size tires?
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Old 01-09-2011, 01:31 AM   #4
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ok thanks. damn what size tires?
I have 4" springs with an SOA setup... running 35's for now.
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Old 01-09-2011, 01:41 AM   #5
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I know i just want to keep the shackles for a little more height and looks. ok thanks. damn what size tires?
I'm going with 1-1/4" shackles in the next week or so. I have 31" tires now and just want that little bit of height. I only ever intend on going with 32" tires, 33" max.
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Old 01-09-2011, 07:27 AM   #6
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You should be able to fit 31s with just the shackle lift.I had 31s on a stock Jeep.Im 1.5" SPOA w/42s no trimming
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Old 01-09-2011, 10:17 AM   #7
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ik the 31s fit with 1 1/4in shackles i just wanted to know if i needed a cv driveshaft if i got a 4in lift on top of that.
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Old 01-09-2011, 10:21 AM   #8
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and if you put 33s with just the shackle lift you wont really be able to do any offroading
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Old 01-09-2011, 10:23 AM   #9
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I ditto what "Uplifted" says, if you are only going to run 31's, 4" lift is all you need.

Aside from the SYE/CV shaft (not always needed), you need to look at your gearing, that will make a substantial difference in your performance.
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Old 01-09-2011, 11:40 AM   #10
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ok, but i dont have any other shackles and dont really see the need in buying smaller shackles
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Old 01-09-2011, 11:54 AM   #11
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ok, but i dont have any other shackles and dont really see the need in buying smaller shackles
Hey look at it this way... With a 4" spring and a 1 1/4" shackle, there is a stronger chance you will need a SYE/CV setup..... With just the 4" spring, you won't need one... spending 60 bucks on stock shackles beats spending 500+ bucks on a SYE/CV setup if you really don't need the extra 1 1/4" lift... You can still mount 33's with just a 4" spring.. Just a thought.. I learned the hard way and over spent to get where I am now with mine.
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Old 01-09-2011, 12:33 PM   #12
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Hey look at it this way... With a 4" spring and a 1 1/4" shackle, there is a stronger chance you will need a SYE/CV setup..... With just the 4" spring, you won't need one... spending 60 bucks on stock shackles beats spending 500+ bucks on a SYE/CV setup if you really don't need the extra 1 1/4" lift... You can still mount 33's with just a 4" spring.. Just a thought.. I learned the hard way and over spent to get where I am now with mine.


hmm ok. so a good cv shaft is about 500? how did you over spend?
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Old 01-09-2011, 12:38 PM   #13
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your stock shackles should be fine.

A SYE/CV shaft are going to cost you around $500 or so, when all you may need is a TC drop (transfer case). If you go up in height on the suspension when you do not need to it is going to increase the likleyhood that you will need to get the SYE/CV.

I dont know for sure what uplifted overspent on, but I can assume he has made some newbie mistakes and got mods that he really didnt need.....we have all done it at some point.
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Old 01-09-2011, 12:42 PM   #14
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your stock shackles should be fine.

A SYE/CV shaft are going to cost you around $500 or so, when all you may need is a TC drop (transfer case). If you go up in height on the suspension when you do not need to it is going to increase the likleyhood that you will need to get the SYE/CV.

I dont know for sure what uplifted overspent on, but I can assume he has made some newbie mistakes and got mods that he really didnt need.....we have all done it at some point.

ok but i dont have stock shackles. but could i get away with the 1 1/4in shackles, the 4in lift and then just do a tcase drop?
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Old 01-09-2011, 01:04 PM   #15
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1 1/4" shackles should be fine.
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Old 01-09-2011, 02:54 PM   #16
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1 1/4" shackles should be fine.
what do you mean they should be fine?
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Old 01-09-2011, 02:56 PM   #17
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I was reading to learn the answer and I am now more confused than ever.
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Old 01-09-2011, 03:05 PM   #18
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hmm ok. so a good cv shaft is about 500? how did you over spend?
You can not install just a CV shaft with the SYE setup as well.. Thats where the 500+ comes into play... Thats just parts

What I meant when i said I over spent learning is, I always went 1 step foward only to go two steps back to correct it and improve apon...
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Old 01-09-2011, 03:32 PM   #19
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You can not install just a CV shaft with the SYE setup as well.. Thats where the 500+ comes into play... Thats just parts

What I meant when i said I over spent learning is, I always went 1 step foward only to go two steps back to correct it and improve apon...
ahh oh i see. but could i run the 4in and shackle lift and just do the tc drop?

oh ok so i should really look into what im doing before i actually do it
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Old 01-09-2011, 03:53 PM   #20
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ahh oh i see. but could i run the 4in and shackle lift and just do the tc drop?
4" spring with a T-case drop will be no problem I say... With the shackles, your getting into a height where a SYE setup may be needed.... All you can is try and see what happens. Pay close attention to how much engagement is left with the stock slip yoke on the driveshaft and the angle... The last thing you want is it to either vibrate severely or worse snap and have it take out the tail of you tcase with it... It all comes back to what were all saying, it maybe cheaper in the long run to just buy stock shackles than go through a expensive headache.. Were not telling you it can't be done, just looking out for you thats all.
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Old 01-09-2011, 04:12 PM   #21
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4" spring with a T-case drop will be no problem I say... With the shackles, your getting into a height where a SYE setup may be needed.... All you can is try and see what happens. Pay close attention to how much engagement is left with the stock slip yoke on the driveshaft and the angle... The last thing you want is it to either vibrate severely or worse snap and have it take out the tail of you tcase with it... It all comes back to what were all saying, it maybe cheaper in the long run to just buy stock shackles than go through a expensive headache.. Were not telling you it can't be done, just looking out for you thats all.
hmm ok. so is it possible to keep the shackle now, add the 4in lift, drop the tcase, and add a cv shaft? just curious, if not then ill stick to just the 4in lift and buy stock shackles
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Old 01-09-2011, 05:28 PM   #22
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or how about if i just did a 2.5in lift with the 1 1/4in shackles how much of a tcase drop would i need?
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Old 01-09-2011, 05:48 PM   #23
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hmm ok. so is it possible to keep the shackle now, add the 4in lift, drop the tcase, and add a cv shaft? just curious, if not then ill stick to just the 4in lift and buy stock shackles
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or how about if i just did a 2.5in lift with the 1 1/4in shackles how much of a tcase drop would i need?
Both options would work.. If your in for doing the CV/SYE setup then the skys the limit...... If your in for the 2.5" and shackles then no CV and just a 1" or better Tcase drop will do...Most kits will include what you need... Don't forget your dropped pitman arm as well..
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Old 01-09-2011, 06:06 PM   #24
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Both options would work.. If your in for doing the CV/SYE setup then the skys the limit...... If your in for the 2.5" and shackles then no CV and just a 1" or better Tcase drop will do...Most kits will include what you need... Don't forget your dropped pitman arm as well..
ok, the only problem with the cv/sye is the money which i dont really have at the moment. and ok, ill have to see what the best deal is. im looking at getting a rough country but dont know whether or not to get the 2.5 or 4. cause im gonna need to buy extra parts no matter what
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Old 01-09-2011, 06:17 PM   #25
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im looking at getting a rough country but dont know whether or not to get the 2.5 or 4. cause im gonna need to buy extra parts no matter what
Well that depends, the rough country kits come complete with everything you need depending what you do.. 2.5 kit with shackles, yes, 4" kit with shackles, your pushing the limit..
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Old 01-09-2011, 06:24 PM   #26
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Well that depends, the rough country kits come complete with everything you need depending what you do.. 2.5 kit with shackles, yes, 4" kit with shackles, your pushing the limit..
oh ok i see. ill probably end up going with the 2.5. and do i need a longer pitman arm with the 2.5? cause it doesnt come with the kit
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Old 01-09-2011, 08:17 PM   #27
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oh ok i see. ill probably end up going with the 2.5. and do i need a longer pitman arm with the 2.5? cause it doesnt come with the kit
If useing the shackles in conjunction with the 2.5 kit, then i would say yes..

Look at it this way, the 4" kit comes with a dropped pitman.. Your going with a 2.5 kit and your 1.25 shackles to your ending just shy of a 4" lift so yes, get a dropped pitman..

I have a spare dropped pitman if you want it, just pay for shipping and it's yours.. PM me if interested.

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