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Unread 12-15-2015, 07:32 PM   #1
Apettenon
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2013 JK Wrangler 
 
Join Date: Aug 2014
Location: Vernon Hills, illinois
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Rock Krawler High Clearance Front LCA

Hello!

Has any body used Rock Krawlers Front LCA's and shortened them to adjust castor angle? From my understanding the majority of LCA's are designed to be extended...not shortened.I would prefer to only replace the front LCA's due to ease of install.

The guy at the 4x4 shop scared me poopless when he said a leading cause of death of due to improper castor angle in lifted vehicals.Any help would be grateful.

EDIT: So i guess my questions is... What is the best way to adjust castor using the OEM driveshaft without having to replace both upper and lower CA's??

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Unread 12-15-2015, 07:39 PM   #2
SLADE
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If your lifted, you want to lengthen the lower control arms longer than factory length to correct caster, not shorten them.

You want your caster in the 4.5-5 range.
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Unread 12-15-2015, 08:00 PM   #3
Apettenon
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Quote:
Originally Posted by SLADE View Post
If your lifted, you want to lengthen the lower control arms longer than factory length to correct caster, not shorten them.

You want your caster in the 4.5-5 range.
Im sitting at about 3" of lift with no control arms
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Unread 12-15-2015, 08:08 PM   #4
SLADE
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Look into some Synergy or Metalcloak adjustable arms. Synergy has some fixed length arms also if you want simple and cheap. Metalcloak uses Duraflex joints and Synergy has a Dual Durometer bushing that they are using now. Great arms from great companies and people.

Metalcloak
http://www.metalcloak.com/Metalcloak...Kits-s/231.htm

Synergy
http://www.synergymfg.com/Jeep-JK-p-1-c-4055.html
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Unread 12-16-2015, 06:16 AM   #5
motoguy1251
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2012 JK Wrangler 
 
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I swapped my Rock Krawler control arms out for Metalcloaks.
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Unread 12-17-2015, 05:22 PM   #6
propped1
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2007 JK Wrangler 
 
Join Date: Feb 2009
Location: Cincinnati
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Quote:
Originally Posted by Apettenon View Post
Hello!

Has any body used Rock Krawlers Front LCA's and shortened them to adjust castor angle? From my understanding the majority of LCA's are designed to be extended...not shortened.I would prefer to only replace the front LCA's due to ease of install.

The guy at the 4x4 shop scared me poopless when he said a leading cause of death of due to improper castor angle in lifted vehicals.Any help would be grateful.

EDIT: So i guess my questions is... What is the best way to adjust castor using the OEM driveshaft without having to replace both upper and lower CA's??
You need to do a bit more reading. There is no driveshaft adjustment. The Tcase is solid mounted. the axle is kept on a predictable plane. The DS is only a connector. You go up and out, the connection needs to be longer. It is reacting to the length not causing it.

You dont need to replace uppers. Only lowers. And they need to be longer not shorter... also what do you mean you are sitting on 3" of lift with no control arms. That is literally not possible.
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