i use 7 quarts
14-15qts.
11 qts
8 litres
13 qts. with new filter
4 and a half litres
The oil sending unit is located on the top of the turbo on the 94 turbo diesel 7.3
You should drain all the oil out and put the correct oil in.
12 quarts 15w40
8 quarts with filter 7 without
best oil to use in 7.3 diesel is rotella brand oil
11.5 to 12 quarts