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Long Arm Kit - What is the Engineering Reason for Improved Ride

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Old Dec 2, 2010 | 05:56 PM
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JKChuck's Avatar
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From: Jackson, Mississippi
Default Long Arm Kit - What is the Engineering Reason for Improved Ride

I have only had my jeep for about 18 months. Its the first one I have every modified. I'm learning as I go. Like a lot of people my jeep is a bit of an addiction. I have spent way more than I thought I would modifying it. I got a pretty good ride with the lift I have but I was contemplating coil overs and a long arm kit. It would be a Christmas present to myself.

What is the engineering reason for a long arm kit improving the ride of a jeep both on and off road? What I mean is, I'm not looking for a bunch of testimonials about how great someone's jeep is with a particular long arm kit. I'm looking for objective and quantifiable reasons as to why a long arm kit would cause a jeep to ride and generally perform better. The particular kit choice is a bit down the road.
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Old Dec 2, 2010 | 07:38 PM
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redx08's Avatar
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From: jackson,ms
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Originally Posted by JKChuck
I have only had my jeep for about 18 months. Its the first one I have every modified. I'm learning as I go. Like a lot of people my jeep is a bit of an addiction. I have spent way more than I thought I would modifying it. I got a pretty good ride with the lift I have but I was contemplating coil overs and a long arm kit. It would be a Christmas present to myself.

What is the engineering reason for a long arm kit improving the ride of a jeep both on and off road? What I mean is, I'm not looking for a bunch of testimonials about how great someone's jeep is with a particular long arm kit. I'm looking for objective and quantifiable reasons as to why a long arm kit would cause a jeep to ride and generally perform better. The particular kit choice is a bit down the road.
Ill call you tomorrow chuck, sorry I missed your call earlier.
Long arm kit gives you longer links, to fit a taller lift spring, increase your flex, and keep the springs parallel with the road/rock face, giving you more traction and pushing you foward with little energy loss.The two big things that you gain from a long arm are decreased rear steer and less transfer of road feedback through the arms. When you lift a short arm rig it results in pretty noticeable rear oversteer. The flatter arms you get from a long arm kit will result in the axel moving straight up vs forward and up with a short arm kit at a steep angle. This means the bumps are absorbed by the springs and not the arms which equals a smoother ride. Depenging on how high you want to take your jeep, the more noticable difference you will find with long arm vs. short arm. I believe you will still feel some difference with the 3 inch lift you have going to long arm, but more so if you had a 6 inch lift on your jeep. Again chuck I ask you the question I have asked you before, Has your current lift not gotten you over an obstacle that you wanted to conquer?

Last edited by redx08; Dec 2, 2010 at 08:00 PM.
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