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post #1 of 9 Old 06-17-2015, 08:44 PM Thread Starter
BaileysZJ
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2 suspension questions.

I got an alignment on my 94 ZJ today all went well except 2 things. #1) my castor angle is off. Can I just get adjustable lower arms or do I need the upper and lower. And #2) my camber is also out of spec. He said I would need "extended upper ball joints" which sounded weird to me. Does this mean I need new ball joints or is there actually an adjustable version that I have never heard of before. Thank you in advance!!

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post #2 of 9 Old 06-17-2015, 09:14 PM
kg6mov
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There are offset balljoints, mainly a problem on XJ's IIRC that had the c's welded on wrong. You shouldn't need them on a zj unless you bent the axle.

Uppers and lowers to do it right. Just uppers will let you get your pinion angle back.


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post #3 of 9 Old 06-17-2015, 09:49 PM Thread Starter
BaileysZJ
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OK thanks. I hope my axle isn't bent, it looks fine. Any way to test if it's bent? Also if there's no real way to change the camber should I replace the ball joints anyway, could they just be bad?
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post #4 of 9 Old 06-18-2015, 12:11 AM
Kolak
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How many miles on your Jeep? It's likely your camber is off simply due to worn out stock balljoints.

And how much lift do you have if any?

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post #5 of 9 Old 06-18-2015, 12:30 AM Thread Starter
BaileysZJ
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I have 189k on an OME HD lift, pro comps to match. I'm not sure if the ball joints have been replaced before, it might just be that time.
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post #6 of 9 Old 06-18-2015, 04:36 AM
PolkaPower
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If you look at a stock ZJ axle, you can see that the C's are not straight up and down. They are like |/ ------ \|(vertical lines are the tires, angles are the C's). When you lift it you increase the angle of the stock arms and move the axle inward towards the rocker.
This causes the axle to rotate forward so the angle of the C's are now rotated forward more which causes the camber to be off.

To fix this you need either offset ball joints or adjustable control arms to get the axle back as close to stock position as you can. Sometimes both. Adjustable arms will allow you to get the castor set back near stock too. I never worried too much about the camber, especially at that height.
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post #7 of 9 Old 06-18-2015, 01:45 PM Thread Starter
BaileysZJ
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OK. That clears things up. I'll get a nice set of adjustable upper and lower arms and hopefully that fixes the camber but if not, oh well. Thanks guys!
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post #8 of 9 Old 06-18-2015, 03:40 PM
Kolak
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IRO makes excellent quality adjustable arms. PM me if you'd like pricing.

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Originally Posted by BaileysZJ View Post
OK. That clears things up. I'll get a nice set of adjustable upper and lower arms and hopefully that fixes the camber but if not, oh well. Thanks guys!

Kolak Performance and Offroad
Member: Specialty Equipment Market Association
Telephone: 480 998-3661

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post #9 of 9 Old 06-18-2015, 10:52 PM Thread Starter
BaileysZJ
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Quote:
Originally Posted by Kolak
IRO makes excellent quality adjustable arms. PM me if you'd like pricing.
will do! Thanks again
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