6 quarts ( 5.7 liters ) with filter change
about 5 qts
owners manual in glove box should say
The maximum towing capacity for this 1991 Ford F-150 is 8,100 pounds. This is for the 5.0 Liter V8 engine.
According to the Owner Guide ( 6 quarts / 5.7 liters ) with engine oil filter change
6 quarts ( 5.7 liters ) with engine oil filter change , according to the Owner Guide
a/c compresser
7 quarts ( 6.6 liters ) with engine oil filter change for the 5.4 liter in a 2006 Ford F-150 according to the Owner Guide
In a 2001 Ford F-150 , 5.4 liter V8 engine : With engine oil filter change : ( 5.7 litres / 6.0 U.S. quarts )
4.2 liter V6 , 4.6 liter V8 , or 5.4 liter V8
Towing Capacity Check Related links below
yes
Check owner's manual. If you don't have one copy and paste link below; www.fleet.ford.com/maintenance/owners_manuals