I've been using Motorcraft Synthetic Blend in all of the vehicles (except the 750 Nighthawk) since I bought my 2001 F250 V-10. I currently have In addition to the Truck, I have a 2005 Expedition, 2005, 2006 and 2008 Escapes, 1984, 1987, 1997 and 1998 Escorts. All get an oil and filter...