Hello, I'd want to change my front upper Synergy control arms on my JK 3.8L Rubicon. I'm not satisfied of them because it wasn't easy to set their lenght without removing them from the vehicle ,exspecially on driver site. Now I'm looking for Rock Krawler or Currie Enterprises. Can you tell me pros and cons about these? Thanks a lot.
Front upper control arms
- Thread starter 64fabius
- Start date
A.J.
Active Member
Welcome to Wayalife. The Synergy adjustable front upper control arms do not require removal to adjust. They have a pinch bolt and adjuster sleave that you can turn on the vehicle. The Curries you mention are great but as I recall you do have to remove one end to adjust. Not a fan of the Rock Krawler because of the joints they use. Do you have a picture of yours?
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USMC Wrangler
New member
I have Rock Krawler lowers. I should’ve spent the extra coin for something with Johnny Joints and adjustable on the Jeep.
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Overall "build thread"
http://wayalife.com/showthread.php?26097-I-guess-it-s-the-quot-Super-Stocker-quot-build
DIY trail/tube door build http://wayalife.com/showthread.php?24449-My-DIY-Doors
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Overall "build thread"
http://wayalife.com/showthread.php?26097-I-guess-it-s-the-quot-Super-Stocker-quot-build
DIY trail/tube door build http://wayalife.com/showthread.php?24449-My-DIY-Doors
JKbrick
Active Member
I wouldn’t think you would need to adjust the uppers anyways would you? The lowers set your caster
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BaddestCross
Active Member
EVOs are adjustable on the Jeep and have Jonnie Joints, so there's that.
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Build Thread - Adventures of Fiona - https://wayalife.com/showthread.php?t=47407
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Build Thread - Adventures of Fiona - https://wayalife.com/showthread.php?t=47407
USMC Wrangler
New member
This is what I wish I had done.
JKbrick
Active Member
BaddestCross
Active Member
As far as I know, all EVO arms are adjustable on the Jeep. I have Currie uppers and EVO lowers, so maybe someone with both can confirm.
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Build Thread - Adventures of Fiona - https://wayalife.com/showthread.php?t=47407
rubiDave
Active Member
Negative.
EVO Front uppers just have a jam nut.
I'm pretty sure EVO only makes the front lower control arm with the adjuster sleeve and pinch collar. The rest have jam nuts and you need to unbolt them to adjust. I haven't received my rear control arms yet but I expect them to have jam nuts.
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Benito
Caught the Bug
They are all adjustable without having to remove them on the JK long arm kits by EVO, I have them. I know when I ran the EVO Enforcer on my JK I only had the front lowers and those were adjustable on the Jeep, don’t know what the rest of the Enforcer control arms consist of; I also ran the Synergy front upper control arms and those were also adjustable on the Jeep. From the load of pictures posted for the JL kits by Evo, those all appear to have jam nuts on one end.
Wheatbackdigger
New member
With the EVO Enforcers, only the front lowers are adjustable while mounted. All others have jam nuts and will need to be dropped to adjust.
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devonn216
Member
So I’ve got the Enforcer with the adjustable from lowers with pinch collar and jam nut. I haven’t messed with them since I put it on a while ago. Can someone refresh my memory on how to adjust them while mounted?
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