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
.044 inch ( according to motorcraft . com )
( .035 inch ) is the spark plug gap
2001 Ford Truck F250 Super Duty P/U 2WD 5.4L EFI 8cylThe Spark Plug Gap.054 (In thousandths of an inch)
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 )
0.044 for both 4.9L V6 and 5.9L V8. According to www.motorcraft.com
The spark plug gap is ( .044 inch )
Check the Vehicle Emission Control Information ( VECI ) decal located in the front of your engine compartment ( it will show the type 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.
the spark plug gap is .054in. for 2003 ford focus.