According to the 1997 Ford E-250 Owner Guide :
With engine oil filter change :
The 4.2 liter gasoline V6 engine takes :
( 5.7 liters / 6.0 U.S. quarts of 5W-30 )
Either the 4.6 liter - SOHC - V8 or the 5.4 liter - SOHC - V8 , that was the 2 engines available
According to the 2009 Ford E-250 Owner Guide : With engine oil filter change : The GASOLINE engines ( 4.6 and 5.4 liter V8's / 6.8 liter V10 ) take : ( 6.0 U.S. quarts / 5.7 liters of 5W-20 )
The 1997 Ford F-150 owners manual shows ( 5 W 30 ) engine oil ( certified for gasoline engines )
According to the 1997 Ford Expedition Owner Guide For the 4.6 and 5.4 liter V8 engines With engine oil filter change : ( 6.0 U.S. quarts of 5W-30 )
http://www.fueleconomy.gov Ford E250 Econoline 2WD 8 cyl, 5.4 L, Automatic 4-spd, (FFS), Regular < td> 14.1NA 11city 16hwy $4706
2.5 liter 4 cylinder , or the 3.0 liter or 4.0 liter V6
5.7 liter 350 V8
Depending on which model of Ford Escort , either the 2.0 liter SOHC or the 2.0 liter DOHC Zetec engine
According to the 1997 Ford F-150 owners manual : ( 5W-30 ) With engine oil filter change ( 6.0 U.S. quarts / 5.7 litres of engine oil ) for the 4.2 liter V6 engine and the 4.6 or 5.4 liter V8 engines
You could have the 2.9 liter , the 3.0 liter " Vulcan " or the 4.0 liter V6 engine . They are all over head valve / pushrod designs in a 1992 Ford Ranger
R134a
( 5W-30 ) according to the 1997 Ford Explorer Owner Guide