2004 Rubicon drives like dog crap - Page 2 - JeepForum.com

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post #16 of 41 Old 08-09-2011, 10:43 PM
05TurboS2K
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Quote:
Originally Posted by stwilson74 View Post
It's probably a combination of the firmer Rubicon springs with worn out shocks, worn out control arm bushings, and load range D or E tires that are over-inflated. Replace your shocks and bushings and air your tires down and it should make things drastically better... of course if your going to tear into it that much then you are already doing most of the work involved in doing a lift. As far as recommending a lift, that all depends on what you are doing. Personnaly I went with a Currie 4" on my 2005 Rubicon LJ and it rides better than stock now.
Yea that's my direction as well. That's right on the mark. I'd probably upgrade the shocks if I was in your shoes. The bushings might be worn as stated but I'd figure they're not hammered with that mileage.

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post #17 of 41 Old 08-09-2011, 10:53 PM
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Originally Posted by aaron-jeep View Post
They are a little below the 44 lbs suggested.
Suggested by who? Bring them down to 30lbs. Problem solved. Thread closed.

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post #18 of 41 Old 08-09-2011, 11:03 PM Thread Starter
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thx, 05TurboS2K, any advice on what shocks to upgrade to?
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post #19 of 41 Old 08-09-2011, 11:11 PM Thread Starter
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mayroll, thx, Ill, give that a shot, but when I filled the tires in june they were obnoxiously low, like 18 lbs, and I was having the same problem. It's been getting progressively worse over about the last 18 months.

Also, if you push down on the hood, it is very easy to compress the shocks. The guy at the local goodyear svc ctr did that. (he is also a jeeper) He said the shocks are shot. To go online and find a new set.

I am considering the Rancho RS9000XL, and the OME 2" lift because it comes with springs, and is very well rated, but I am concerned about gas mileage, so I would prefer not to go to a bigger tire.

Oh, and 44 lbs is on the side of the tire.
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post #20 of 41 Old 08-10-2011, 12:51 AM
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44lbs is waaaay to much on a TJ. I run about 23-25lbs in mine on the street. As for gas milage it wont be the lift that really effects it. It will be what tire size you choose after you install the lift. I personally get around 14 mpg with my 35s....but I also have a blown cat and bad O2 sensors.

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post #21 of 41 Old 08-10-2011, 01:23 AM
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the pressure on the side of the tire is just the MAX pressure that you CAN use if you have to for towing, etc. I leave mine about 25-28, and even that could be a little lower. Your shocks might be shot too, but i'd start with the tires.

Also, you can get OME shocks and just use them with your stock suspension. They are often reported to be one of the smoothest shocks around and they have some that will fit your stock suspension.
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post #22 of 41 Old 08-10-2011, 01:45 AM
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My jeep had exactly this same problem. The shocks were blown. Replacing the shocks drasticaly improved the ride and handling. It really doesn't matter what brand you replace them with, as anything will be an improvment over 7 year old blown shocks. However, strongly consider old man emu shocks.

As for springs, if you plan to replace them, look into progressively wound springs; manfuactures to consider include currie, AEV, and OME.

As for tires: holy shiite! 44lb, are you freakin serious?!? You drivin a semi truck, or what? Lol
If you want a good ride and even tire wear on your stock size MTR's run them in the range of 27-33 psi. Do a search on here for "chalk test" to find out how to determine the exact best pressure for your rig.

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post #23 of 41 Old 08-10-2011, 05:30 AM
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Quote:
Originally Posted by aaron-jeep View Post
I am considering the Rancho RS9000XL, and the OME 2"
If you go with the OME lift spring I would go with the OME shocks. I have never heard anything but good reviews about the ride quality from people who have the OME shocks and springs.


Quote:
Originally Posted by aaron-jeep View Post
Oh, and 44 lbs is on the side of the tire.
That is max pressure at max load, the weight of your Jeep is no where near max load for your tires.

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It's difficult to take you seriously. It's like you're an easily perturbed autistic teenager who's drunk typing the whole time.
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post #24 of 41 Old 08-10-2011, 05:42 AM
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post some pics of your rubi to see if its sagging.
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post #25 of 41 Old 08-10-2011, 05:49 AM Thread Starter
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Well Gentlemen, As it turns out the tire pressure was over 55 lbs. I just aired the tires down to 33 lbs, and the ride is substantially better. The *bang* when I hit a pothole is almost totally gone. I really appreciate all of you advice. I was so naive to the importance of tire pressure.

I still think I might need new shocks though. She sways back and forth quite a bit after going over a lot of bumps and after grade changes like leaving a parking lot, and going onto the road.
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post #26 of 41 Old 08-10-2011, 05:52 AM Thread Starter
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[QUOTE=NotURMailman;11997751]If you go with the OME lift spring I would go with the OME shocks. I have never heard anything but good reviews about the ride quality from people who have the OME shocks and springs.

I have heard the same thing. I have been looking at the 2" lift, but it's $800, and I'm concerned about gas mileage when I switch to the next tire size up.

Do you know if they make tires for stock height jeeps?
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post #27 of 41 Old 08-10-2011, 06:51 AM
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The MAX inflation is for a MAX vehicle weight. You will also notice that there is a weight for that tire as well. So the max PSI is for that MAX weight for the tire to support. Now if you figure it out there is not that much weight on the tire so there is no need for that much PSI. Most will run 24~28 PSI in each tire. I run 26PSI myself.
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post #28 of 41 Old 08-10-2011, 07:18 AM
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holy snap 55psi!!! im surprised you didn't float away!!

i run 23psi on my 35" km2's

do the chalk test (i used white paint)

mark a line across each tire and see where it's wearing, if the line does not wear to the edge of the tire, decrease pressure, if it wears all the way across the tire increase pressure until the line doesn't wear all the way to the edge, then fine tune! will take several markings to get it right

takes about an afternoon but it's good piece of mind! and once you do it, you'll always know!

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post #29 of 41 Old 08-10-2011, 07:21 AM
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Quote:
Originally Posted by aaron-jeep View Post
I still think I might need new shocks though. She sways back and forth quite a bit after going over a lot of bumps and after grade changes like leaving a parking lot, and going onto the road.
I would look more at bushings, control arms and track bar front and rear.

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post #30 of 41 Old 08-10-2011, 07:25 AM
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I have a 2005 Rubicon Unlimited, I run 28psi. I don't have a winch on it though, that's some extra weight on the front springs, although a spacer could make up for that. I'd say at 55K miles you probably could use a set of shocks.

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