88 IROC Z NOISE IN THE RIGHT REAR .
I have a 88 IROC Z i AM tHE SECOUND OWNER. i HAVE RESENTLY
REPLACED THE REAR COIL SPRINGS, AND REPLACED ALL OF THE
BUSHINGS ON THE REAR SWAY BAR. THE SHOCKS ARE ONLY 2 OR 3
YEAS OLD. I STILL HAVE A KNOCKING IN THE RIGHT REAR WHILE
.TRAVELING ON LOCAL STREETS WITH NO POT HOLES.IT DOES IT
WHEN THE CAR FLEXES .SLIGHTLY AT 20 OR 30 MPH.AND THE CAR IS
A HARD TO[P. WHAT IS CAUSING THE NOISE. IT S DRIVING ME CRAZY
FOR THE LAST COUPLE OF YEARS.THE CAR HAS HIGH MILAGE ALSO.