Yes Ford does have a problem with them
Here is the link
http://www.fordtough.ca/forums/showthread.php?t=1161&highlight=spark+plugs
Here is the link
http://www.fordtough.ca/forums/showthread.php?t=1161&highlight=spark+plugs
Thats smart move with anti seizeManual says to change plugs at 100k, seems to me that is a bit too long. Should we changing them at 50 to 60k? Yes we did use anti seize!