One other questionable item, along with the DOT number. Were these the=20 proper tire size, wheel size, and load rating for the vehicle weight,=20 and kept at the proper inflation. Maybe these were Bridgestone/Firestone=20 tires recalled several years ago on the Explorer. :) --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .