2006 E-150 Chateau 5.4 Trident w/130,000 miles and ORIGINAL PLUGS.
(Woe is me!)
Looking forward to blogging up some help here.
THANKS IN ADVANCE!
the Sorry_Bastard

 

One of the things you can try is to , loosen one or two plugs 1/2 to 1 turn only, then spray some carburetor choke cleaner into the plug well and let it sit overnight so the carbon can be loosened/dissolved hopefully making it easier to remove the plug.