See http://www.lubereport.com/e_article000311697.cfm?x=b3G8K8K,bQ545pN where you will see the effort FORD goes to stay current.

Ford is tired of some companies sticking it to them and their customers on various products. In some cases, and trans fluid is a big one, Ford has had to replace things under warrenty that the customer was out and needed some, put in what they thought was a good product only have problems.