5 quarts of oil.
just remember 5 liters is 5 quarts.
According to my Chilton's Auto Repair Manual : For a 1987 Ford Thunderbird , 3.8 liter V6 : With engine oil filter change : ( 5.0 U.S. quarts )
If you want a quick answer, Fram PH1 for the 4.9 liter, 5.0 liter and the 5.8 liter
With engine oil filter change : The 2.8 liter V6 engine in a ( Ford Ranger ) holds ( 5 quarts )
For a 2001 Ford Mustang : With engine oil filter change : 4.7 liters / 5 U.S. quarts of engine oil ( 3.8 liter V6 and 4.6 liter V8 )
For a 1987 Ford Crown Victoria : For the 5.0 liter / 302 and the 5.8 liter / 351 cubic inch V8 engines : ( 5 U.S. quarts with engine oil filter change ) According to my Chilton's Auto Repair Manual
You can find the 1987 four Ranger 2.9 liter engine oil sending unit on the left-hand side of the engine. The oil sending unit will be near the oil filter.
According to the 1998 Ford Windstar Owner Guide : With engine oil filter change : ( 4.5 quarts of engine oil ) for both the 3.0 liter and the 3.8 liter engines
The 4.0 liter V6 engine holds ( 5 ) quarts with engine oil filter change
With engine oil filter change : ( 6.0 quarts / 5.7 liters ) for the 5.4 liter V8 engine in a 1997 Ford Expedition
5W-30 is the preferred oil in a 1996 Ford Explorer ( 4.0 liter V6 and 5.0 liter V8 )
The 2000 Ford F-150 - 4.6 liter V8 engine takes : 6 quarts ( 5.7 liters ) with engine oil filter change
According to the 2003 Ford Expedition Owner Guide : With engine oil filter change : 5.7 liters / 6.0 quarts ( for both the 4.6 liter and 5.4 liter V8 engines )