5 w 30
The best oil is what is recommended by Ford - check your owner's manual.
5 W 20
My ( 1991 ) 5.0 LX Ford Mustang always used 5W-30 as recommended
( 5W-20 ) for the 4.6 liter V8 in a 2007 Ford Mustang
( 5 quarts ) with filter change - according to the 2000 Ford Mustang owners manual
( 5 W 30 ) - according to the 2000 Ford Mustang owners manual
According to the 2000 Ford Mustang Owner Guide : For the 3.8 and 4.6 With engine oil filter change : ( 4.7 litres / 5.0 U.S. quarts of 5W-30 )
5W-30 , according to the Owner Guide
5 qt 5W-30
5 quarts
Varies by climate, but 10-40 is pretty average