Thanks to all for the replies. I removed the control arms and ball joints today. I'm going to replace the ball joints because the boots are torn, but I don't think they are the cause of the clunk. I did find a bad rear control arm bushing on the driver's side. The inner metal sleeve was frozen to the stud and the rubber bushing was freely spinning on the frozen sleeve. The bushing was not doing it's job, but I can't see how this would cause the clunking. The nut and washer holding the inner sleeve in place were really tight. The failure just caused rubber to move on metal. We'll see what else I find tomorrow.
The front CA bushings look good. Do they go bad often? I'm considering replacing them while I have it apart.
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Thanks for all the help. DougC. 1981 242 Brick Off Blocks, Turbo bars and wheels, M46. 1990 245, auto, 113k. 1993 245, M47, 154k.
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