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Any 4 link based tech should have you starting with "Link suspension for dummies" on Pirate. Also try and find the Triaged link calculator version 4 I think it is now
Just installing a long arm kit is by far the easiest fabrication wise.
Any triangulated 4 link will see the need to remove and redesign the crossmember that the stock upper control arms bolt to for clearance. A double triangulated 4 link will will require modification of the crossmember near the transfer case output for you new mounts.
You want your upper arms to be at a minimum angle of 40 degrees to provide lateral support once you remove the panhard rod and multiple mounting positions in your brackets to fine tune for personal taste.
Ideally you'll want to befriend someone with some race scales to get your corner weights, your exact Centre of gravity, sprung and unsprung weights to be able to enter exact figures into the calculator to help understand your own design and potential mistakes or changes required etc.
The problem with suspension is that absolutely everything is a compromise for some thing else and there is NOT a 100% correct way of doing it.
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