i`ve got a chevette back half connectors, bar, no cage... 5000 stall mild street 383.
it was like yours """twisting''' FIRST PASS BUT IT WAS ALL IN THE REAR. its a ladder bar car but some princible's should transfer. (i dont have any 4 link xper eence) anyways the right rear was pre loaded up hard about a 2 inch difference side to side and alot of suspension travel in front was taken out. now its a no hands on the wheel 6.80 / 1.44 60` car.