I have a 91 na. While braking above 60 mph the rear end of my car shifts side to side. I've installed an ES master bushing set that helped slightly. There is no pulsation in my brake pedal or vibration so I don't feel it's warped rotors, wiich is what all my searches have come up with. I have a very small amount of play in my right rear lca. I will be replacing my lca bushings but I'm not sure that will fix my problem. Any advice would be appreciated it's pretty sketchy driving it.