Since I'm having such good results using the Valvoline synthetic oil I figured I'd look into their tranny fluid since I'm due for a change.
Valvoline.com > Products > Automatic Transmission Products > Automatic Transmission Fluid > Valvoline MERCON® V ATF
It says:
Valvoline MERCONŽ V ATF
Engineered to provide performance benefits over conventional ATF fluids
Officially licensed and Ford approved.
Enhanced anti-shudder protection for smooth shifting performance and protecting against slippage.
Superior resistance to viscosity breakdown for better wear protection against high and low temperature ranges.
Minimizes sludge and varnish deposits, while protecting transmission seal materials.
Recommended for most Ford vehicles including Lincoln and Mercury except those specifying MERCONŽ SP or Type F fluids.