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Old September 28th, 2014, 14:52
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Mrbreeze824 Mrbreeze824 is offline
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Installing extra 1.5" of lift!!!!!

Hey guys got a 3.5" RE super ride lift on my 99. Found a deal last week on 1.5 coil spacers and extended shackles. My question is what else will I need to do after I install. Jeep already has a SYE and adjustable trac bar. Some one told me I may have to shim the rear end, but I thought the shackles rotated the rear end a little. ?????
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Old September 28th, 2014, 15:20
IdahoEagle IdahoEagle is offline
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Re: Installing extra 1.5" of lift!!!!!

Why are you looking to go taller? Are you wanting to install bigger tires or...?
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Old September 28th, 2014, 16:04
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Tim_MN Tim_MN is offline
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Re: Installing extra 1.5" of lift!!!!!

What else do you have installed ? Longer and/or adjustable Control arms and control arm drop brackets would be an excellent idea if you plan on driving much. Will the shocks be long enough ? Shims will probably be needed.
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Old September 28th, 2014, 16:27
md21722 md21722 is offline
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Re: Installing extra 1.5" of lift!!!!!

Longer shackles will rotate the pinion up. I believe its roughly 1 degree for every inch the shackle is longer. Shackles can screw up your leafs. I believe different springs or shackle relocation brackets are better solutions.
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Old September 28th, 2014, 17:33
XJRN XJRN is offline
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Installing extra 1.5" of lift!!!!!

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Originally Posted by md21722 View Post
Longer shackles will rotate the pinion up. I believe its roughly 1 degree for every inch the shackle is longer. Shackles can screw up your leafs. I believe different springs or shackle relocation brackets are better solutions.

How do shackles screw up leafs? How many people do you think still have stock shackles?
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Old September 29th, 2014, 03:31
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Mrbreeze824 Mrbreeze824 is offline
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Re: Installing extra 1.5" of lift!!!!!

Sorry guys. Yeah wanting to go a little taller, and I forgot to mention the lift came with shocks. I have the control arms that came with the 3.5" lift installed as well.
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Old September 29th, 2014, 13:17
IdahoEagle IdahoEagle is offline
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Re: Installing extra 1.5" of lift!!!!!

Lift shackles change the leverage on the spring and make the weak stock leafs fail very quickly. I had a slight positive arch on my leafs, installed 2" lift shackles, just commuted for maybe 3 days before the springs went full on negative... I built an AMC/Jeep bast are pack from the pack I built for my Wagon and put the stock shackles back on, I gained an inch over where the stock springs were with 2" shackles before they killed the springs...
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Old September 29th, 2014, 13:18
IdahoEagle IdahoEagle is offline
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Re: Installing extra 1.5" of lift!!!!!

And why are you wanting to go taller?
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