Oil capacity for 2007 ford E350?

My 2002, cargo van takes 5q

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According to the 2007 Ford E-350 Owner Guide :

With engine oil filter change :

The GASOLINE engines ( 4.6 and 5.4 liter V8 , and 6.8 liter V10 ) take :

( 6.0 U.S. quarts / 5.7 litres of 5W-20 )