Ford-trucks.com has a how to,3.8 mustang . Your gonna have a problem with the trans
Winstar is front wheel drive and Ranger is rear wheel drive. The engine mounting points on the block and the unique bell housing bolt patterns are different between the front and rear wheel drive versions of this engine.A swap would be very difficult and likely costly. More info at the link.....http://www.enginebuildermag.com/2001/09/rebuilding-the- ford-3-8l-engine/
Looking for a Used Windstar in your area?
CarGurus has 12 nationwide Windstar listings and the tools to find you a great deal.
Search Ford Windstar Questions
Ford Windstar Experts