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Old March 26th, 2008, 11:03 PM   #1
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Default Building a 4 link suspension.

Hey guys, I'm in the planning stages for my next build and I need some information. I would like to run a coil spring with 4 link setup but I am concerned about the geometry of the system. Are there any resources that explain how to build a 4 link set up that can take a moderate amount of pounding? Thanks in advance.
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Old March 26th, 2008, 11:19 PM   #2
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There are plenty of places to search for information. Most start at pirate4x4.com there are pages and pages of 4-link and 3-link info there!
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Old March 26th, 2008, 11:31 PM   #3
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Originally Posted by RDK_YJ88 View Post
There are plenty of places to search for information. Most start at pirate4x4.com there are pages and pages of 4-link and 3-link info there!

Thanks, I wasn't sure where to start.
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Old March 26th, 2008, 11:36 PM   #4
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what is the 4 link going under. most jeep tjs are already set up for 4 link just have to move mounts a bit. or order a already complete lift kit
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Old March 26th, 2008, 11:39 PM   #5
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Ive never built one, but this article seems to have some pretty helpful information

http://www.4wheeloffroad.com/techart...t_2/index.html
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Old March 27th, 2008, 08:54 AM   #6
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http://www.powerblocktv.com/sites/xtreme/ scroll down and download the 4 link geometry calculator.
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Old March 27th, 2008, 09:22 AM   #7
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Good stuff, I have thought it would be cool if someone did a rig build and showed how long they went with each link and then show why etc... Of course, this would make it to easy to copy :tonka:.
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Old March 27th, 2008, 10:02 AM   #8
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dont get hung up on the calculator numbers- Use them to get you a starting ball park, but space under the vehicle will be your limiting factors. for example say you want 8" of verticle seperation in the front links. but the frame is only 4" tall and you only have 2" from the frame to the body, b/c you need room the weld it together your true net is 5". it always looks good on paper....


This was my first 4link i built for a tj on an a 8.8. just pulled it to upgrade to 1 tons and is for sale.
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Old March 27th, 2008, 11:03 AM   #9
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here is the results from a quick search.... it should get you started

http://www.greatlakes4x4.com/showthr...ght=seperation
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Old March 27th, 2008, 11:16 AM   #10
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Read this:

http://www.pirate4x4.com/forum/showthread.php?t=7503

and this:

http://www.pirate4x4.com/forum/showthread.php?t=168577

look up Triaged on that board and download his link calculators to use to visualize stuff and get some numbers.

BTW, those are LONG reads, and there is crap to weed out in them, but lots of good info, too.
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Old March 27th, 2008, 08:03 PM   #11
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Originally Posted by wheelingmachine View Post
what is the 4 link going under. most jeep tjs are already set up for 4 link just have to move mounts a bit. or order a already complete lift kit

I will be building the frame from scratch. I currently have a Geo Metro with an 89 inch wheel base that I may transfere over to the new frame. I will be building the 4 link system for Rockwells with rear steer. Yes I know it's a short wheel base and a retarded car but I enjoy it and that's what it's all about.

I'm looking forward to the next build. When I built the Metro originally I used a jeep cj7 frame because it was free. after 6 or 7 years of mudding the frame is rusting out bad! I would like to build the 4 link set up because I think my fab skills have progressed to the point that I can handle it. I also want a suspension that I can pound alittle more than leaf springs.
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Old March 27th, 2008, 08:49 PM   #12
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Got mud here we come. Just kidding hope it works out for you
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Old March 27th, 2008, 11:22 PM   #13
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Got mud here we come. Just kidding hope it works out for you

What are you refering to? We Got Mud web site? Just wondering.
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