i have a 96 sho w/stock wheels/tires and under hard cornering or medium sized bumps only the left rear wheel rubs the wheel well, i have had the rear suspension completely replaced any ideas? also while going over bumps i have a slight rattle in the front of the car it sounds like its in the dash but it is not its too muffeled. i had the struts,springs,swaybar connectors, ect. replaced pretty much three grand of work to try and eliminate it any help would be great thank you