Kevin,
This is probably of no use regarding a remedy, but it certainly confirms that the phenomenon which you described is not unique to your caliper set alone.
Scroll down to the comment following the last photo here:
_http://www.tearsforgears.com/2008/02/who-makes-better-french-brake-italy-or.h tml_ (http://www.tearsforgears.com/2008/02/who-makes-better-french-brake-italy-or.html)
BOB HANSON, ALBUQUERQUE, NEW MEXICO, USA
**************Psssst...Have you heard the news? There's a new fashion blog, plus the latest fall trends and hair styles at StyleList.com. (http://www.stylelist.com/trends?ncid=aolsty00050000000014)