What type of transmission fluid do you use for a mannuel Ford Mustang 2002?

For a 2002 Ford Mustang , 5 speed manual transmission :

With the 3.8 liter V6 engine ( 2.8 U.S. quarts of Motorcraft MERCON automatic transmission fluid )

With the 4.6 L , V8 ( 4.0 quarts of SYNTHETIC MERCON automatic transmission fluid )