Denny, I'm confused. Are you looking for 15" tires or are you looking at 16" tires for your Ford Wheels. If you are looking for 16", I think 215 is about the narrowest you will find in a Michelin SUV tire. 8.75R16.5 is not an old size. It is a truck tire designed to run at 80 psi. A 16.5 tire will not fit a 16" wheel. In fact it will have a warning on the sidewall stating that it will not fit a 16" wheel.
I will probably be putting 215 70R16 on my Jeep pretty soon. I would rather have 205 but 215 will work.
