According to one of Fords websites :
For a 1983 Ford F-250 , 7.5 liter / 460 cubic inch V8 engine :
The spark plugs are gapped at ( .044 inch )
The spark plug gap for a 1983 Ford Ranger 2.8L is .044"
The spark plug gap for the 1979 Ford F250 is 0.044. This gap remains the same for the 1978 and the 1980 Ford as well.
Ford uses Motorcraft Spark plugs on all there vehicles.
2001 Ford Truck F250 Super Duty P/U 2WD 5.4L EFI 8cylThe Spark Plug Gap.054 (In thousandths of an inch)
.044 inch , according to motorcraft.com
The spark plug gap for a 1979 Ford F-250 with a 400 engine is between 0.42 and 0.46. This range is included in the factory settings.
.044 inch ( according to motorcraft . com )
( .044 inch ) according to motorcraft.com
0.044 for both 4.9L V6 and 5.9L V8. According to www.motorcraft.com
Check the Vehicle Emission Control Information ( VECI ) decallocated in the front of your engine compartment ( it will show thetype of spark plugs to use and the spark plug gap )
.042 -.046 All you have to do is look at the emissions sticker under the hood.
unplug it then, unbolt it like a spark plug.