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Unread 03-06-2012, 10:16 AM   #1
mikesantillanez
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Coil over conversion

Im looking to convert my suspension to coil overs what is the best way to do this. Do they make a kit for cj? If it has to be all fabricated thats probably going to be expensive and then if something brakes im going to be screwed on parts so i was thinking of finding a TJ frame and getting the long arm kit and coil overs for that and just make mounts to fit my body on the frame. Any suggestions or ideas would be greatly appreciated.

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Unread 03-06-2012, 10:51 AM   #2
Mickey_Mouse
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TDK makes custom frames. you'd have to buy the supsension though.



check out the hybrid frames
http://www.throttledownkustoms.com/
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Unread 03-06-2012, 10:58 AM   #3
mynameislarry
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mess around on www.pirate4x4.com for a while and learn about link suspensions. also if you dont know how to weld, start working on it
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Unread 03-06-2012, 11:02 AM   #4
mikesantillanez
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thank you ill start learning and the welding part yea im going to need to work on that.
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Unread 03-06-2012, 11:15 AM   #5
mynameislarry
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Quote:
Originally Posted by mikesantillanez View Post
thank you ill start learning and the welding part yea im going to need to work on that.
im on the same boat at the moment. just started to learn how to weld last week so i have a long way to go. but building a link suspension isnt to hard, its just all the compromising you have to deal with. im still learning to so dont quote me on anything
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Unread 03-06-2012, 11:32 AM   #6
mikesantillanez
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unfortunately i cant start learning to weld till i get back to the states so im just trying to get as much information as i can so i can start piecing everything together when i get home right now this suspension conversion is the trickiest part.
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Unread 03-07-2012, 10:05 AM   #7
Erik719
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At one point several of the suspension companies were making coil over kits for CJs. This was shortly after the TJ came out, don't know if they are still out there or not. But I think they all required welding.
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Unread 03-07-2012, 10:30 AM   #8
mynameislarry
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Quote:
Originally Posted by Erik719 View Post
At one point several of the suspension companies were making coil over kits for CJs. This was shortly after the TJ came out, don't know if they are still out there or not. But I think they all required welding.
they would have to require welding. things such as coilover hoops, control arm mounts, axle bracketry, limit straps, bumpstops and whatnot would all have to be welded. also all the old leaf perches would have to be cut off and ground flush to the frame
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Unread 03-07-2012, 10:56 AM   #9
mikesantillanez
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ok so what if i went the route on finding a tj frame and making my body fit that would that make this process a little easier.
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Unread 03-07-2012, 11:16 AM   #10
CSP
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Learing to weld is far from being a proficient welder. Any coil over conversion is going to require proficient welding, and that's just the start. The first thing is whether it will be dual triangulated four link, four link with a panhard bar, radius arm w/panhard, three link, etc.

Then you have to understand how placing the links affects squat, anti-squat, jacking, pinion angle throughout the range of motion, roll center, etc. and maximize your link placement to get the numbers for each that are desired. Link length also has to be considered.

The CJ frame with its narrow design isn't the greatest when it comes to link end placement. That's why you see so many who go to link suspension ditch the back half of the frame and rebuild it out of tube.

I don't know that using a TJ frame is the right answer. Most TJ owners who want a well tuned suspension ditch the factory setup and add something from the aftermarket (long-arm suspension) or build from scratch again using tube for the frame.
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Unread 03-07-2012, 12:27 PM   #11
Erik719
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Here is one from superlift http://www.superlift.com/suspension/jeep/BD-XCL.asp

From their we site:

"XCL system installation requires extensive cutting and welding, and the ability to precisely measure and properly locate numerous components. Black Diamond strongly recommends that the installation only be performed by a professional mechanic."

Looks like a lot of parts!
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Unread 03-07-2012, 12:28 PM   #12
Erik719
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Pic of the kit.
bd-xcl-k4.gif  
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