+1 on westleys bleche wite, but alas, seems Keith is correct on the sell out
still have an open bottle of it somewhere, guess I better ration it carefully..
anyways, the old stuff was excellent at brightening white and black walls, letters etc.
but as typical these days, good ol stuff that worked has to be revised with new and improved formulas that don't work
btw OP, how old are those tires? may not be soiled but actual broken down paint..