Anyone know the min. allowable thickness for 65 Mustang w/ front disc brakes. Can't see to find info in the books. Shop manual only list .810 it does not say if that's a new or min. #. i mic'd mine and they are both about .760 thick. Is this enough to have them turned? Any help would be great. I looked all over the rotor's themselves and can not find any markings as to thickness.