“ Originally Posted by broSki 
”
Ford told me to change my oil every 3 thousand miles too. But with the newer engines, that's not necessary. check out the following link. it gives specific instructions on exactly how to do what you "can't" do. like i said, i may have been just lucky the two times i did it. but it did work for me. flawlessly i might add.
http://forum.ppcgeeks.com/showthread.php?t=24979