Article I found on Torsion bar set ups, what do you guys who are experienced think?

What is that and what does it do?

Jim has a nice YouTube video on adding the gusset plates to the lower arms, "and other stuff"

https://www.youtube.com/user/1968GTSJimLusk/videos

[ame="https://www.youtube.com/watch?v=Nwes-SP8u4w"]Control arm repair - YouTube[/ame]