2" BB - Shackles vs AAL? - JeepForum.com
View Poll Results: Rear - 2" Shackles VS. Add A Leaf
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post #1 of 4 Old 06-12-2013, 10:33 AM Thread Starter
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2000 XJ Cherokee 
Join Date: Aug 2011
Location: Byron
Posts: 161
2" BB - Shackles vs AAL?

Just as the title says; Which one is going to be better in the long run?

My 2000 xj rear does not sag at all right now, I do not do any heavy off-roading. Most off-road I do is on some pretty moderate-light 4-wheeler trail during hunting season.

Also, could these types of lift cause the "death-wobble?" Just curious because I would like being able to go 75 mph and have a smooth ride still.

Edit: I try to keep the back end pretty light and just have the necessities to help the mpg since it's my DD.

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post #2 of 4 Old 06-12-2013, 11:50 AM
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2006 TJ Wrangler 
Join Date: Feb 2013
Location: Baton Rouge
Posts: 925
My 2 inch budget boost with shackles and stock springs rode and drove well on 30x9.50s. I was really pleased with it for similar usage. Then I got 3 inch x 2 1/2 inch coils and leaf packs with control arms. The Cherokee handles better, rides better, looks better. The BB did not cause any death wobble on mine, neither did the spring lift.
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post #3 of 4 Old 06-12-2013, 01:44 PM
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1995 XJ Cherokee 
Join Date: Apr 2009
Location: Los Angeles / SFV
Posts: 3,301
Longer shackles will cause your pinion angle to go up, which can cause drive line vibrations.
Adding a new leaf to a pack of old leafs can cause the old leafs to wear out faster.
The best way would be to buy all new 2" lift springs.

Having said that, I would suggest Shackle Relocation Brackets and extended shackles.
Installing the shackles at 45 degrees would net you about 2" over stock and improve ride quality on and off road.
Once they are installed, if you get vibrations, you can measure your angles and decide how to fix it.
Read up on it here: http://www.4crawler.com/4x4/CheapTri...l#Introduction or here: http://www.4xshaft.com/ Click Tech Info at the top of the page, then select slopes vs angles followed by geometry 101.
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post #4 of 4 Old 06-12-2013, 02:02 PM
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1997 XJ Cherokee 
Join Date: Jan 2013
Location: Las Vegas
Posts: 21
I had the BB on my jeep when I bought it. It was VERY stiff. I now have the rubicon express leaf pack on the rear. I got them on Amazon for $117 shipped iirc. SMOOTH ride. I know this post is subjective. But, there you have it. Oh, I keep the 1" shackles on also. Love the ride now. Do it right the first time.

Forgot to add. NO VIBS or death wobble. NONE.

1997 Cherokee XJ, 4.0. "703" injectors, 99+ intake, 62mm TB, k&n intake, performance header, 2.5" exhaust (from header to tail pipe). Comp cam "231" and performance head. 4:10, rear lsd, front E-Locker. 32" dura-tracs. Zone lift, rear rubicon leaf pack with 1" shackles. 30" LED light bar.

Last edited by crawler4xj; 06-12-2013 at 02:15 PM.
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