0ffsets for 23/24" rims

what offset do i need on a 10" wide rim to tuck a 23" or 24" wheel on a 97-03 f-150?

HEY MABEY YOU SHOULD POST THIS AGAIN IN ANOTHER FORUM....HAVE PATIENCE GRASSHOPPER ALL GOOD THINGS COME IN TIME.

6 inch backspace www.bigwheelsrus.com