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  #1  
Old 03-06-2014, 01:58 PM
abuckley1290 abuckley1290 is offline
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Default 6" Rough Country Lift Installed on 2013...Slight Rear End Shudder

Just got the 6" rough country lift installed on my 2013, bilsteins set at 1.4". Wheels are 20x9 +1 with 34" tires (look slightly too small now). I am feeling a slight shudder when accelerating from a dead stop. I ordered the 324S kit which should have the correct rear brackets. It is nothing extreme but definatley was not there before. Any ideas?
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Old 03-06-2014, 02:04 PM
abuckley1290 abuckley1290 is offline
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Old 03-06-2014, 02:14 PM
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Take some pictures showing your pinion angles, that's most likely problem that would be causing any shudder. However it's fairly common for a lifted truck to have a slight shudder when accelerating from a dead stop. Should go away by 5-10 mph though.

Also, the 324S kit has nothing to do with the rear diff, that only gives you the correct brackets for the front diff. The rear pinion angle is changed by changing the control arms.
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Old 03-07-2014, 03:00 PM
dewright dewright is offline
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i had the same issue when i installed my 6" RCX lift on 2010. I installed the factory upper control arms which are shorter and moved my pinion angle down. this helped out quite a bit -there still is a slight shudder at take off but it is much improved. Worth a try!
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Old 03-28-2014, 05:51 PM
abuckley1290 abuckley1290 is offline
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Quote:
Originally Posted by dewright View Post
i had the same issue when i installed my 6" RCX lift on 2010. I installed the factory upper control arms which are shorter and moved my pinion angle down. this helped out quite a bit -there still is a slight shudder at take off but it is much improved. Worth a try!
Are you running bilstein struts also? I contacted rough country and was told the angle was off as a result of the front end being raised higher than the kit is designed for
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Old 03-29-2014, 05:03 PM
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I am having this issue also. Same set up. I have a feeling its the RCX rear control arms. The rubber bushings in them are huge. I think it causes for alot of squishyness.

Has anyone tried other rear control arms?
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Old 03-29-2014, 06:14 PM
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Quote:
Originally Posted by abuckley1290 View Post
Are you running bilstein struts also? I contacted rough country and was told the angle was off as a result of the front end being raised higher than the kit is designed for
Pinion angle is the angle of the pinion gear in relation to the t-case output and drive shaft. Additional lift in front will not affect this which means RC is blowing smoke up your tailpipe....
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Old 09-03-2014, 09:05 PM
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welcome to the rcx club " worst mistake you ever made " I have this same kit installed on my 2012 and one issue after another after another . my rear end shutter was terrible , after mths of complaining to rcx they finally built and sent me out a set of rear adjustable control arms , had they adjusted 5 times now and the shutter is still very noticeable starting off . they claim they never heard of this issue bullshit , they know dam well about it I know several people with this issue . on my 3rd set of front sway bar end links , 3 set of rear shocks due to bushings wearing out every few thousand kms , now my rear end link bushings are shot also . and my 2012 only has 31000 kms on it , and only 22000 of those with the lift on the truck . I don't use it off road just around town. best advise I could give you is take it off and get the bds kit installed . that's whats going on my next ram .. good luck








Quote:
Originally Posted by abuckley1290 View Post
Just got the 6" rough country lift installed on my 2013, bilsteins set at 1.4". Wheels are 20x9 +1 with 34" tires (look slightly too small now). I am feeling a slight shudder when accelerating from a dead stop. I ordered the 324S kit which should have the correct rear brackets. It is nothing extreme but definatley was not there before. Any ideas?
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Old 09-03-2014, 10:34 PM
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Will this thread is a little disappointing, I'm right on the fence about ordering this kit and I do not want to be disappointed as it's a daily and work vehicle.
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Old 09-03-2014, 10:38 PM
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Will this thread is a little disappointing, I'm right on the fence about ordering this kit and I do not want to be disappointed as it's a daily and work vehicle.
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