Karson,
The Expedition is a variant of the F-150 (i.e. chassis & drivetrain) which is why we have a forum for it here. Our primary focus is this platform. The Explorer is really more related to the Ranger in its platform. You may want to give
http://www.ford-trucks.com,
http://www.explorer4x4.com or
http://www.explorerforum.com a shot for your Explorer needs...and I am sure there are probably others I am not familiar with...