Going back to the op. Get some 2x2x4ft? roughly 1ft or 2 from the end tie it to the underside of the arm. Put the end under but touching anti roll bar, sub frame, something solid that will not move. I cannot recall where I put my end.
Gently add your your weight on the other end. The joint should part as if you could have done it by hand.
macafee2
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