I finally changed the oil in my 07-- and am now running Mobil 1 Full Synthetic-- and used a motorcraft oil filter. I had a HORRIBLE time getting the old filter off my V8- it took two of us, three different wrenches, and bicycle tubing (for extra grip) to get the thing off. Anyone else have such difficulties? I used the seizing wrenches, as well as an adapter for my ratchet. But after the change, she seems to be happy being off dino blend