Hi,
My brake issue seems to be solved. The best I could tell is that my the "clunking sounds" came from the brakes, and once I installed new pads, the sound is gone. I got "soft" pads from Sierra Racing (Carson City, Nevada), which were the only pads they would sell for street use. Seems fine to me after a quick test run last night. FYI, Sierra (Ron Burdg, president) was a pleasure to deal with, helpful and efficient.
So for now, a happy driver.