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Old 04-09-2013, 11:53 AM   #1
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Suspension upgrade

Hi, I have a 2006 Rubicon. Currently I have a 3.5" rubicon express suspension kit. I also have 35's dick cepek tires. I want ti get higher and was considering a Rusty's 5.5" suspension kit which I can afford right now. But I dont know if the combination of the 5.5 suspension and the 35 tires is a good match. Currently i cant afford to get taller tires.

Please comment and let me know your suggestions

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Old 04-09-2013, 11:57 AM   #2
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Going from RE to rusty's is a down grade is quality.

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Old 04-09-2013, 12:39 PM   #3
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what Carolina said. if you really want to go bigger just add a body lift.
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Old 04-09-2013, 01:08 PM   #4
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Quote:
Originally Posted by Luisjr View Post
Hi, I have a 2006 Rubicon. Currently I have a 3.5" rubicon express suspension kit. I also have 35's dick cepek tires. I want ti get higher and was considering a Rusty's 5.5" suspension kit which I can afford right now. But I dont know if the combination of the 5.5 suspension and the 35 tires is a good match. Currently i cant afford to get taller tires.

Please comment and let me know your suggestions
The Rubicon Express kit you're running now is a top of the line kit. The Rusty's kit will give you a decrease in ride quality and suspension performance. Also when lifting that high, you'll get into other suspension issues like alignment and needing to upgrade to a long arm kit.

If you're looking for a little more height, add a 1" BL as has been said. A kit like the Daystar 1" Body Lift will give you some more clearance for larger tires, and some more room to flex what you have now.

Let me know if you have any other questions, I'll be glad to help.

-Zach
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Old 04-09-2013, 05:05 PM   #5
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Thanks for the info, but right now Iam having a vibrating problem with my RE. It sometimes riding on the road starts vibrating really hard. Ive checked my tires, balanced the wheels, also rotated them and the problem persists. I also replaced the track bar and its bushings and it still does the same thing. I even verified the steering damper and it is in good condition. Ive been told that since the Rustys suspension is adjustable that way I will be able to align it correctly and that should solve my problem also. I really need some more travel because my tires are touching the fenders in some heavy offroad here in puerto rico. I am planning in the future to get taller tires also, so I thought if I bought the rusty 5.5 I will be able to get them without upgrading my suspension again. Right now this is not my daily car either.


Any other suggestion will be really appreciated!
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Old 04-09-2013, 05:15 PM   #6
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Do you have an SYE and DC driveshaft? If not...that could be the source of your vibes. If you "upgrade" to the rustys 5.5" the vibes and issues will only get worse if you dont currently have an SYE and DC driveshaft.

With an SYE/DC driveshaft, you will need rear adjustable uppers (and most likely lowers) if you do not already have them. If you need to buy them, you would be better off getting a quality arm with a quality joint (ie Johnny Joint) rather than the rusty's.

With 35s, you should also look into better steering (it doesnt take anything to taco the stock tie rod). The rear axle should also be addressed if you still have the D35.
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Old 04-09-2013, 05:30 PM   #7
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I really dont think the driveshaft is my problem, since the bouncing on my TJ only happens once in a while and around hitting 40 mph on the street and when I hit a bump or I get on a bridge or something, then I slow down the bouncing stops and when I accel again It wont start bouncing again. ( yes we have some shi*%# roads and streets over here!). I think it may be a bent coil spring or something. One of them at the front seems to have a really small belly, but Im not really sure. It could be only my perception
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Old 04-09-2013, 05:37 PM   #8
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Im also considering Rusty because the have lifetime warranty on some parts
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Old 04-10-2013, 10:02 AM   #9
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Quote:
Originally Posted by Luisjr View Post
I really dont think the driveshaft is my problem, since the bouncing on my TJ only happens once in a while and around hitting 40 mph on the street and when I hit a bump or I get on a bridge or something, then I slow down the bouncing stops and when I accel again It wont start bouncing again. ( yes we have some shi*%# roads and streets over here!). I think it may be a bent coil spring or something. One of them at the front seems to have a really small belly, but Im not really sure. It could be only my perception
That really sounds like death wobble or bump steer. First off, take a look in this thread about curing death wobble and see what else you can do.

Curing Death Wobble

Let me know if this helps, if not I'll try to help you get this straightened out!

-Zach
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Old 04-10-2013, 05:27 PM   #10
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Thanks Zach,

But all those issues have been checked in various ocassions and the DW still happens. Even different mechanics have made several efforts in the alingment, bushings, trackbar, tires and wheels.

That is also why I am considering the adjustable suspension to play with the caster
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Old 04-10-2013, 05:30 PM   #11
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Quote:
Originally Posted by Luisjr View Post
That is also why I am considering the adjustable suspension to play with the caster
Consider a company that uses quality parts and joints.
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Old 04-10-2013, 08:17 PM   #12
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So Cons, that meand you consider that Rustys dont use good quality parts?
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Old 04-10-2013, 09:20 PM   #13
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Originally Posted by Luisjr View Post
So Cons, that meand you consider that Rustys dont use good quality parts?
I hear more negative about their parts than I do good. Especially for $2100 for their kit...I would look into something else.
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Old 04-11-2013, 09:54 AM   #14
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Quote:
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So Cons, that meand you consider that Rustys dont use good quality parts?
Luis,

If you want a good lift kit that's going to fix your issues and be a quality kit, you'll want to look into either the Rubicon Express 4.5 Ultimate Superflex Kit, or the Teraflex 4" Lift Kit with Flex Arms and Trackbar.

Both these kits are close to the price of the Rusty's Lift Kit you're looking at, but have much higher quality components. They also are only a 4" lift compared to the 5.5" you were looking at. This will save you a lot of hassle by keeping the lift a little but smaller.

When you lift your Jeep above 4", you run the risk of causing some driveline issues. Along with a host of other possible problems.

Hope this helps, feel free to PM me with any other questions!

-Zach

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