SAE 5w30.
According to the 2000 Ford Windstar Owner Guide ( 5W-30 )
( 5W-30 ) is the preferred oil , according to the Owner Guide
PH3600 (FRAM) - recommend TG3600 or XG3600 or FL400S (Motorcraft) This is standard for all Winstar versions.
There is no substitute for High Detergent oil other than a synthetic oil.
Exactly what is listed in your owner's manual.
According to one of Fords websites : For a 1998 Ford Windstar ( 3.0 and 3.8 ) The ( Motorcraft FL-400-S ) engine oil filter is used
5w30
what kind of hydraulic oil should be used for a massey furguson 245
10w30,i prefer castrol
5w305w30
According to the 1998 Ford Windstar Owner Guide ( 5W-30 ) With engine oil filter change : Both the 3.0 and 3.8 liter V6 engines take : ( 4.5 U.S. quarts of 5W-30 )
the best oil to use is actually bacon oil the bacon has the exact amout of oil you should need. another kind is canola oil. If it helps