If the rotors are larger than stock, check to see if the inside inner edge of the rotor is making contact with the outer part of the lower control arm.

I just ran into this on a SHO with oversized front rotors after replacing the LCAs.

Steve

98 Contour SE Sport 2.5 Duratec ATX The wifey's car 89 Taurus SHO - 246K miles 94 SHO ATX - 190K 1997 F-150 5.4L ATX - The Workhorse 150K. ANY THREAD WITH "OMG" or "WTF" ETC IN THE TITLE WILL BE IGNORED!