I have a 1967 Galaxie 500 with a 390 and it takes 10W-30. Hope this helps!
about 6 quarts
about 6 quarts
about 6 quarts
Varies by climate, but 10-40 is pretty average
Could be too thick of oil used.
Under the cap on the valve cover.
Do I need to pull the oil pan to take off the timing cover on FE 390.
ask the people ask the parts store but i would put ford MotorCraft in it stay offical with the car
broken engine gasket.
With a wrench..7-8 open end.
about 6 quarts
5 Quarts