Synthetic ATF - Review the LD Companion: Transmissions December 09, 2011, 09:56:07 am Yahoo Message Number: 127228For those following this topic string, there is good information in the LD Companion: "Transmissions" file about Ford's requiring synthetic fluid in the newer transmissions. It is worth the additional $$$$ to go this route in most cases.Link: http://lazydazearticles.blogspot.com/search/label/Transmission>Mike