Link Take Two You have to rely on the few pix he just sent, but the link gives you all the text.
CloudDriver is a master of documentation, photos, and explanation, all the way to which tools to buy or have.
Bear in mind, Ford "Vans" (Window, Cargo, Box Truck, Class C) NEVER EVER got the Three-Valve Engine! The plugs may strip due to too few threads (1997-99) or mis-machined holes and seats (SOME 2000-2003), but the plugs Don't Break. That's a Three-Valve engine problem.
I keep hearing "change them HOT" but the packaging for the proper Motorcraft Plugs is marked in bold font DO NOT REMOVE HOT