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Modified JK Tech Tech related bulletin board forum regarding subjects such as suspension, tires & wheels, steering, bumpers, skid plates, drive train, cages, on-board air and other useful modifications that will help improve the performance and protection of your Jeep JK Wrangler (Rubicon, Sahara, Unlimited and X) on the trail.

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Anyone have some ideas

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Old 03-11-2013, 05:26 AM
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Default Anyone have some ideas

hey guys just wanted to through out the idea i had for a while and give you guys a chance to help out. my current set up is

08 JKU
standard clutch
NSG-370 manual transmission
4.88 gears front and rear no lockers
17x9 crager soft 8s
35x12.50r17 General Grabber AT2s
3 inch BDS suspension lift
Bilstein 5100s
JKS front adjustable trackbar

i love my jeep its great but everything rattles and shakes to some degree even though ive put countless hours on every install to make sure everything is done to spec. but like when i drive on the street or off road it always can get through whatever i ask it to but its really bouncy and doesn't handle well to woops on a farm field or pot holes either. it does great and slow speed just 4hi though the woods and over fallen down trees and tires. <--- offroading where we are. but like get a little wild in a field and it feels like i would be able to jump with a long enough rhythmic waves i just want to change up stuff to make it a solid almost prerunner where it can handle it self at speed.
Old 03-11-2013, 06:04 AM
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What air presure are you running in your tires???
Old 03-11-2013, 06:29 AM
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not a bubble side wall. ha idk i never really pay attention to it just kinda look at it and check everynow and then why
Old 03-11-2013, 06:49 AM
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Oh dear, really?
Old 03-11-2013, 07:02 AM
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OKAY to prevent further issues what should i run ill go change it
Old 03-11-2013, 07:17 AM
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Do a quick search for what others are running General Grabbers at. Makes a huge difference. I could guess 30-33 psi...
Old 03-11-2013, 07:22 AM
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Agreed. Too much air pressure will cause a lot of your symptoms and is the easiest and cheapest to correct. That is why I asked... My procomp ATII's call for 35, but I run 30 and have a very smooth ride both on and off road.
Old 03-11-2013, 08:05 AM
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its on 30psi now all the way around. what else can make it more solid and less rattle
Old 03-11-2013, 11:18 AM
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Are the D or E rated tires?
Old 03-11-2013, 11:36 AM
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I'm pretty certain those are load range E tires. 28-30 lbs should be good.

I want to get away from tires though and look at what else you have. You mentioned a 3" BDS lift, however I didn't see anything regarding how extensive your BDS kit it. The base kit provides shocks, springs, extended links and that's about the extent of it. If you're running basic hydro shocks and just springs, you're not going to get the best of handling and ride. You mentioned you're running Bilsteins, but a good shock won't make up for problems in suspension geometry. Adjustable arms, trackbars, etc are needed to dial in.

I will also mention that Crager Soft 8s, while good for a budget wheel, are notorious for being out of round and hard to balance. Something to check.


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