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Ford 3.9L V6 What changes have been made compared with 3.8L?
Posted to Technical Discussion Forum on 10/4/2004 3 Replies

Does anyone know of the differences made between the 3.8L and 3.9L. The engine was a mid-year change for the 04' Mustang and new for the Freestar. Thanks, John. Login to read more.

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