4" lift kit; I want the truth
09-04-2008, 05:30 AM
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JK Freak
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4" lift kit; I want the truth
I actually have the 2.5" Rough Country lift kit.
I want to change it for a 4" lift kit, but I want the truth about one thing:
Is it bad for the diff. and driving shaft bearing. The sellers told me that there is no problem.
Someone have any problem with that?
I want to change it for a 4" lift kit, but I want the truth about one thing:
Is it bad for the diff. and driving shaft bearing. The sellers told me that there is no problem.
Someone have any problem with that?
09-04-2008, 05:34 AM
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don't know why there would be a problem with the diff but to answer your question, no, there would be none. regarding your driveshaft, are you refering to the bearing in the CV's? if so, they will be fine. however, if you have an automatic, you will want to replace your front drive shaft with a u-joint style unit as the boot on the factory one will make contact with your tranny and tear off.
09-04-2008, 05:42 AM
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JK Freak
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09-04-2008, 09:11 AM
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Does that apply to 3" lifts as well? I have a 4 door auto that I'm about to have lifted up 3", and I'm trying to figure out what I will need with the lift.
09-04-2008, 09:15 AM
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09-04-2008, 09:28 AM
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AEV just released their kit, no mention of swapping driveshafts. Could it be that due to the newness, they haven't posted any info yet?
http://www.aev-conversions.com/products/nthdegree_jk/tech_specs.php
http://www.aev-conversions.com/products/nthdegree_jk/tech_specs.php
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09-04-2008, 09:37 AM
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I have a 2dr Auto with a 3 inch lift and my front drive shaft boot has come loose from the clamp. It now rests at the rear of the front drive shaft in a twisted mess! 
I am wondering if the dealer will cover it under warranty, since they installed the lift? Am I gonna throw a shaft? I wish I could afford new drive shafts but I think I am gonna have to go see the dealer. 
My front and rear drive shafts are the OEM shafts! Great there goes mo money down the tubes.... so much for my EVO lever
I am wondering if the dealer will cover it under warranty, since they installed the lift? Am I gonna throw a shaft? I wish I could afford new drive shafts but I think I am gonna have to go see the dealer. My front and rear drive shafts are the OEM shafts! Great there goes mo money down the tubes.... so much for my EVO lever
Last edited by serveapurpose; 09-04-2008 at 09:48 AM.
09-04-2008, 10:05 AM
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actually, no, i did mean OVER 3". 6" might be pushing it but SO LONG AS you have an unlimited and a 6-speed, you ARE good to go with factory drive shafts. i have run this setup myself and without any problems. WITH a 2-door, the rear drive shaft angle is too steep and this will ruin your CV boot prematurely. WITH an auto, your front drive shaft boot will make contact with the tranny and tear.
