.044 inch
That would depend on what size engine you have
Spark plugs
1990 ford truck no spark
The VECI ( Vehicle Emissions Control Information ) sticker in your engine compartment will show the spark plug gap
According to one of Fords websites : For a 1977 Ford Bronco , 5.0 L / 302 cubic inch V8 engine : The spark plugs are gapped at ( .044 inch )
.044 inch
.044 inch ( for the 460 in a 1988 Ford truck , according to www . motorcraft . com - no spaces )
In the 1977 Ford TRUCKS it's ( .044 inch )
.044 inch ( according to fordparts.com )
If the check engine light is flashing with the engine running , that means a spark plug misfire has been detected
( .044 inch ) - for the 4.9 L ( 300 cubic inch ) straight 6 cylinder engine in a 1989 Ford truck
The listed weight of a 1977 Ford F2 50 truck is 4458 pounds. The weight listing does not include any fluids in the truck.