How to build a 3 or 4 link suspension

[4.3LXJ]

You can also trim to save weight as shown. Next place the plates together and run a bolt through a joint as shown and weld the plate to the square tubing. You now have half of your bracket and three inches of cross member. As you can guess, there was a reason for welding that lower nut in place. You cannot get a wrench on it. Make sure it is secure, but don’t distort the threads from too much welding.