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Unread 10-28-2013, 03:55 PM   #16
04WJfreedom
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Quote:
Originally Posted by Pokey02
It sounds like you need to shorten the front upper control arms. Do you have an angle finder? There is a good article from another forum regarding caster: http://project-jk.com/jeep-jk-tech/j...affect-my-jeep
I don't have an angle finder but can get one. But it does look like I need to shorten the upper CA's. Just don't know how much to shorten them? is just a slight adjustment going to make a big difference?

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Unread 10-28-2013, 04:05 PM   #17
Pokey02
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Originally Posted by 04WJfreedom View Post
I don't have an angle finder but can get one. But it does look like I need to shorten the upper CA's. Just don't know how much to shorten them? is just a slight adjustment going to make a big difference?
Yes, a slight adjustment can make a big difference. Start by shortening a full turn (maybe two), reinstall the control arms, then take another measurement. Repeat until your caster is where you want it.
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Unread 10-28-2013, 04:16 PM   #18
ncb
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Make sure the upper adjustable control arms will adjust shorter than the stock arms. Some adjustable uppers are too long to run with out adjustable lowers.

I think most start with adjustable front lower control arms for this reason.
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Unread 10-28-2013, 04:20 PM   #19
04WJfreedom
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Thanks for the help guys I might try shortening the uppers tomorrow if I have time and see if I can take a measurement.
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Unread 10-28-2013, 05:32 PM   #20
JTPhoto
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You will also have to take onto consideration your pinion angle. You may not get all your caster back without jeopardizing pinion angle.
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Unread 10-28-2013, 05:55 PM   #21
SLADE
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Originally Posted by JTPhoto View Post
You will also have to take onto consideration your pinion angle. You may not get all your caster back without jeopardizing pinion angle.

Pinion angle shouldn't be an issue with only 3.5" of lift, but your right about keeping the pinion angle in mind.

Once you go so high, you often have to compromise between the pinion and caster angle to make everything work. You can't completely neglect one for the other and they are both equally important.
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