Hooks up Good from a stop or in the straight. Like crap in the turns, even worse in the esses. I've learned from reading your posts that the solid uppers, quad shocks, those LCA's, plus the sway bar made everything way too stiff.weld the hole sup and redrill them.
I knew there was something funky about those lower trailing arms and their attachments.
Looks like you have your hands full fixing someon else's problems, but you'll be happy when it's done.
So how did it handle as is?