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Old 01-14-2014, 05:51 PM
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SYE or not?

Hi guys.. I have a 94 YJ with a 4" RC lift on 35s and it rubs when I turned.. I want to lift the jeep maybe an other 2", 1" BL and 1" shakcels lift. Do I need to install an SYE kit? And also, is anyone running this set up or similar.
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Old 01-14-2014, 05:57 PM   #2
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what is it rubbing on?

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Old 01-14-2014, 06:03 PM
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With the actual tub.. it only has about 2" of "flexing" before it rubs. I looked into putting TJ flares on it, but cutting into the jeep would be the last resource. Any advice ?
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Old 01-14-2014, 06:05 PM   #4
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I'm surprized you aren't feeling some vibration now. Yes, at 5" suspension lift you will need an SYE and DC driveshaft, the body lift has no effect on the driveshaft. The good news is you can take your TC drop off and gain more ground clearance.

You may want to try the body lift and a little trimming first and see if that works for you, that way you can avoid the SYE if you don't need it now. If you haven't already you also want to consider an 8.8 rear end as the D35 may not last long pushing 35's. What motor and gears are you running?

BTW Nice looking jeep!
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Old 01-14-2014, 06:15 PM
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Thanks. That sounds like a good idea for now. Thats a 4 banger with stock gears 4:10, it does not like to push those 35s on the highway but it gets to the speed limit and its not a dd. As far as the 8.8 I have one the side that I'm building with the right gears and stuff before I trow it on the jeep. Should I go 1"or 2" in the BL ?
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Old 01-14-2014, 06:56 PM   #6
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Others may feel different but I don't like more than 1" BL. I'd do a 1" BL, then if needed do a 1" shackle lift. After that I'd do trimming, change the flairs, or add bigger bump stops to stop rubbing. When you do the 8.8 I'd go ahead and plan on a SYE, you'll like the added ground clearance and if you go 5" suspension you'll save u joints.
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Old 01-14-2014, 07:02 PM
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That's what I had in mind ,1" shackels and 1"BL, but with that I would need the SYE.. I think I would go for the 2"BL since it doesn't affect the drive lines
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Old 01-14-2014, 08:20 PM   #8
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body lift might solve your problem, with no other drivetrain mods required. However, think again about those TJ flares. One of the best mods i ever did to my YJ.
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Old 01-14-2014, 08:25 PM   #9
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TJ flares on my Yj made a big difference... that being said i would go with a 1" body lift, but be prepared that you could end up with some busted or free spinning body bolts... which opens another can of worms.
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Old 01-15-2014, 06:45 AM   #10
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TJ flares and a decent amount of trimming got me 2 1/2" of clearance the front and 2" in the back. TJ flares are no joke if you trim right. Plus I think it looks better.
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Old 01-15-2014, 07:49 AM   #11
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I would think at that height you would need a SYE. You would probably need a longer driveshaft with the added lift anyway. And the SYE gets rid of the potential for your rear driveshaft falling out of the transfer case while flexing. If that happens all of the fluid from the TC pours out and you are dead in the water. The peace of mind is worth it too me.

Also as someone already said you could probably get rid if the TC drop and gain some ground clearance.

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