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Old 01-04-2011, 07:23 AM   #1
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Rubicon Express 3.5 Super Flex

I have a 2005 Wrangler TJ stock with Rubicon Moab wheels and 245/75/16 tires and I am thinking of installing a Rubicon Express 3.5 Super Flex, for upgrading later to 33s. Can anyone give me a feedback? Do I need to upgrade SYE etc?

Thanks!

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Old 01-04-2011, 07:42 AM   #2
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You probably will need an SYE I had to drop my T case when I did my 3.5 Rock Krawler lift. Waiting on the SYE for when I do my V8 swap.

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Old 01-04-2011, 09:07 AM   #3
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Quote:
Originally Posted by ckalogris
I have a 2005 Wrangler TJ stock with Rubicon Moab wheels and 245/75/16 tires and I am thinking of installing a Rubicon Express 3.5 Super Flex, for upgrading later to 33s. Can anyone give me a feedback? Do I need to upgrade SYE etc?

Thanks!
I actually just finished mine yesterday.
Yes you need a sye and cv drive shaft.

4x4 group buy has a pretty sweet deal for a combo all included shocks sye and tom woods shaft
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Old 01-04-2011, 10:49 AM   #4
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i did a lot of research and finally came up with the same brand, model, sye/cv ds combo and upgraded the control arms to adjustable i bought from 4x4 Parts, Accessories, Tires, Fender Flares, Rubicon Express, Poison Spyder Customs last week for a good price considering if you was to buy those separately i'm still waiting for it though
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Old 01-04-2011, 10:50 AM   #5
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Wonder how much 2 woods shafts are going to cost for my V8 swap?
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Old 01-04-2011, 01:27 PM   #6
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Quote:
Originally Posted by ckalogris View Post
I have a 2005 Wrangler TJ stock with Rubicon Moab wheels and 245/75/16 tires and I am thinking of installing a Rubicon Express 3.5 Super Flex, for upgrading later to 33s. Can anyone give me a feedback? Do I need to upgrade SYE etc?

Thanks!
SYE and driveshaft are highly recommended, I have seen people run it without and be fine although it is not how it generally works out... vibes usualy get out of contol with factory parts.
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Old 01-04-2011, 03:00 PM   #7
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I've got the RE 3.5" Superflex lift on my TJ, and am very happy with it. Yes, I strongly recommend getting the SYE and CV driveshaft. And I also got my RE lift/SYE/Tom Wood's rear CV driveshaft from 4x4groupbuy as a package deal.

The RE 3.5" lift kit (if it's like mine) comes with a rear trackbar axle bracket to raise the trackbar. They make two different ones. One for "straight up" (comes with kit), and one "angled" (optional) for use when the rear axle is rotated when using a CV rear driveshaft. You'll need the "angled" one when using a CV driveshaft, and you'll still need an adjustable rear trackbar to center the rear axle (I did anyway). I went with an RE rear trackbar only because the rest of my suspension was RE.
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Old 01-04-2011, 03:04 PM   #8
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Originally Posted by armyRN View Post
I've got the RE 3.5" Superflex lift on my TJ, and am very happy with it. Yes, I strongly recommend getting the SYE and CV driveshaft. And I also got my RE lift/SYE/Tom Wood's rear CV driveshaft from 4x4groupbuy as a package deal.

The RE 3.5" lift kit (if it's like mine) comes with a rear trackbar axle bracket to raise the trackbar. They make two different ones. One for "straight up" (comes with kit), and one "angled" (optional) for use when the rear axle is rotated when using a CV rear driveshaft. You'll need the "angled" one when using a CV driveshaft, and you'll still need an adjustable rear trackbar to center the rear axle (I did anyway). I went with an RE rear trackbar only because the rest of my suspension was RE.

now you got me curious if i got that too the angled one i have to contact them did you have to pay extra for it?
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Old 01-04-2011, 09:40 PM   #9
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This is what I put on my TJ a little over two years ago. I still had to get shocks. I also put a set of Teraflex rear shock relocators on the axle.

Rubicon Express RE7000-3 3.5 Super-Flex Kit & SYE Combo

TeraFlex Rear Shock Mount Relocators, TJ, 1997-06

I also had to pay extra for the angled rear trackbar bracket. I could have (but didn't at the time) asked for them to substitute the angled bracket (for those using a SYE/CV driveshaft) for the straight one (without rear CV driveshaft) and maybe they would have been able to.

http://www.4x4groupbuy.com/store/rub...ip-p-5865.html

I still ended up getting an adjustable rear trackbar even with the new bracket. The factory trackbar really didn't want to fit in the new bracket's angle (there is no adjustability in the factory piece) and the axle wasn't centered with the factory trackbar (would have been even worse if I didn't have the bracket).

Definitely shop around. Sometimes it's better to piece a kit together; for me the above was the best buy to get everything I FELT I needed. Some kits seem cheaper initially, but once you start adding in things like adjustable upper control arms, new lower control arms, extended brake lines, SYE/CV shaft, front/rear trackbar (etc.) it gets more expensive than if you bought a more expensive (initially), but more complete kit.

This is a picture of mine with the RE 3.5" lift and 285/75/16" tires.
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Old 01-05-2011, 06:03 AM   #10
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Did you have to adjust the front, because of winch' s weight? Did the front end lose any of its height?
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Old 01-05-2011, 11:32 AM   #11
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I installed the same kit last spring and did not do a the SYE yet. I did drop the T-Case 1" and have a very slight vibration. Like everyone has mentioned here the SYE is highly recommended but every Jeep is different. When I researched this kit I saw many guys get by w/out the SYE. Now with that being said I do plan on getting it eventually just couldn't afford it all at once. I was lucky and already had a rear adjustable trackbar which helped in getting that axle centered. I did an adjustable front track bar and 4 new adjustable lower control arms. I would recommend the adjustable control arms for sure because it really helps in dialing in your angles on the axles. I believe I was able to get rid of any driveline vibration w/ adjusting the rear pinion angle w/ my adjustable control arms.

The kit is awesome and Jason @ 4x4GroupBuy is great to work with. He will work with you and give you the best deal he can even with changing it up a bit from what is shown on his site. Make sure you go w/ the Monotube shocks. Let me know if you have any other questions. Like I said I really like mine and don't regret it at all.
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Old 01-05-2011, 11:59 AM   #12
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Quote:
Originally Posted by ckalogris View Post
Did you have to adjust the front, because of winch' s weight? Did the front end lose any of its height?
No, I didn't do anything to the front. It looks pretty level to me. I didn't go too crazy with the front bumper so that helped (and my four cylinder engine weighs less than a six). Of course, I've got a high-lift jack in the rear along with a CO2 tank and some tools so that might be compensating for the front winch.

And I'm still kicking myself for not getting measurements before and after the lift.
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Old 01-05-2011, 12:03 PM   #13
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Don't worry I'm kicking myself for the same thing when I put my lift on.
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Old 01-05-2011, 02:05 PM   #14
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I took measurement before and after and gained 4.5"+ easy w/ the lift. I am sitting a little low in the front and have planned on adding a .75" spacer to account for it.

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