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Unread 03-01-2012, 01:14 AM   #1
IceBox
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Rough Country 7572 or 1083 Adjustable Track Bar?

I just ordered a RC 3.25 lift. Looking at the website, they have part #1083 adjustable TB listed under their upgrades and accessories on the same page as the 3.25 kit. Click on the Jeep add on section, and they have #7572 adjustable TB listed. I'm leaning toward the #7572 because it doesn't have the frame end bracket, and seems more like an OEM part with the added ability to adjust. Does anyone have any experience or advice on these two products? Any issues that may happen like interference with diff cover?

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Unread 03-01-2012, 07:57 AM   #2
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Originally Posted by IceBox View Post
Does anyone have any experience or advice on these two products? Any issues that may happen like interference with diff cover?
I would avoid both.

Here's 7571 whacking a diff cover pretty bad.



here's a similar bar that uses a frame side tie-rod end:


The best clearance track bar available right now is the Currie TJS or TJJ model. It requires 2" front bumpstop extension, which is the minimum bumpstop extension requirement you'll find with the stock diff cover, unless you change to a ZJ V8 tie-rod.

Read through this thread, in its entirety, it's all in there.
http://www.jeepforum.com/forum/f9/tj...it-fit-738948/
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Unread 03-01-2012, 08:01 AM   #3
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Currie TJJ. I've got the RC adj. in the rear and the heim joint is a p.o.s. and the whole thing is about to get replaced soon. I only bought it because it was readily accessible at the only local Jeep shop up here and I needed to get the rig on the road. I wouldn't suggest Rough Country for more than the steering stabilizer, especially with KEY (read: life saving, or altering) track bar products.

This video was taken of a rig who's track bar snapped at the end while rounding a corner. Axle went haywire and the whole thing flopped.

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Unread 03-01-2012, 09:15 AM   #4
RCXTREME
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Unlimited that pic is of a 7571 trackbar. The 7572 has a diff bend and is 1.25 od.
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Unread 03-01-2012, 09:41 AM   #5
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Originally Posted by RCXTREME View Post
Unlimited that pic is of a 7571 trackbar. The 7572 has a diff bend and is 1.25 od.
sorry, my mistake.

While we're on the subject, how much bumpstop extension does the 7572 require?

Can you show pictures of that track bar at full bump, or at least at the bumpstop extension requirement, with the spring removed?
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Unread 03-01-2012, 11:00 PM   #6
IceBox
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Thanks for the quick responses. I read 15-20 pages (still reading) into the thread Unlimited04 recommended and a few other threads also. The best I can tell, TBs with the tie rod style end break from hitting the diff. It appears there are two ways to do this. You can either use the adjustable TB with proper bump stops to keep it off the diff or drill a new hole in the bracket on the axle. Judging from peoples comments about that, it appears the best way to do that would be to measure how far your specific jeep needs and weld a plate to the front of your bracket to reinforce it. This raises two specific questions. Are there any accounts of track bars breaking when properly bumpstopped? Are there any accounts of breakage or other problems with the drilled and welded plate on the axle bracket approach?
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Unread 03-02-2012, 07:51 AM   #7
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Quote:
Originally Posted by IceBox View Post
Thanks for the quick responses. I read 15-20 pages (still reading) into the thread Unlimited04 recommended and a few other threads also. The best I can tell, TBs with the tie rod style end break from hitting the diff. It appears there are two ways to do this. You can either use the adjustable TB with proper bump stops to keep it off the diff or drill a new hole in the bracket on the axle. Judging from peoples comments about that, it appears the best way to do that would be to measure how far your specific jeep needs and weld a plate to the front of your bracket to reinforce it. This raises two specific questions. Are there any accounts of track bars breaking when properly bumpstopped? Are there any accounts of breakage or other problems with the drilled and welded plate on the axle bracket approach?
You pretty much got the run down. If suspension inteferences exist due to improper bumpstops, you create a situation where something can & will fail, at some random time while driving...which can be dangerous.

As for questions - anything can break if you push it hard enough. Most breakages I've seen around here, with proper set up rigs, were the frame mount ripping from the frame, either creating a big hole in the frame or cracking by the welds. That is quite rare, but can occur in the rust belt as the frame rusts from the inside, or it can occur in the hardcore crowd with big side loads & abuse.
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Unread 03-02-2012, 03:39 PM   #8
IceBox
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Quote:
Originally Posted by Unlimited04

sorry, my mistake.

While we're on the subject, how much bumpstop extension does the 7572 require?

Can you show pictures of that track bar at full bump, or at least at the bumpstop extension requirement, with the spring removed?
I am wondering about this also.
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Unread 03-09-2012, 12:45 PM   #9
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After reading through the above mentioned thread more, I think I will go with the hole relocation method. I'm not planning on going any taller than 3.25. Several people regreted any type of adjustable TB with lifts close to this height. I prefer the extra clearance of the stock TB. Perhaps that's one reason it recommends it in the directions instead of for cost savings purposes alone. I'm off to research more about this method. If anyone has a link to a good writeup and/or pictures on the redrill, post it just in case I miss it please.
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Unread 04-23-2013, 11:29 AM   #10
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1083 , 7572 , rc , Rough Country 3.25" , track bar

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