15w-40 in summer and 10w-30 in winter
5w/30 grade oil
15w40
it should take a 5w/30 grade oil for the bf model falcon
The grade of oil needed for a 2004 Ford BA XR8 is 5W-20.
5w30 is recommended from Ford. Wouldn't hurt to stay with a name brand oil.
According to the 2002 Ford Expedition Owner Guide ( 5W-20 )
5 W 20 ( according to the 2002 Ford Escape owners manual )
5w-30
For a 1994 Ford Ranger , 3.0 liter V6 engine : ( 5W-30 is the PREFERRED oil )
5w/30 semi- or fully-synthetic. This grade of oil can be found on supermarket shelves, bearing the words "Suitable for Ford petrol and diesel engines".
30 weight
use straight 30 weight detergent