According to one of Ford's websites :
For a 1984 Ford F-150 , with the 5.0 liter / 302 cubic inch V8 engine :
( the spark plug gap is .044 inch )
.044 inch
According to fordparts.com ( .044 inch ) for the 4.9 liter / 300 cubic inch straight six cylinder , the 5.0 liter / 302 cubic inch V8 , and the 5.8 liter / 351 cubic inch V8 engines
( .044 inch ) - for the 4.9 L ( 300 cubic inch ) straight 6 cylinder engine in a 1989 Ford truck
According to one of the Ford websites : For a 1993 F-150 lightning , 5.8 liter / 351 cubic inch V8 engine : ( the spark plugs are gapped at .044 inch )
.042 -.046 --------------------------------------------- Except the 5.0 L ( 302 cubic inch ) V8 - www.motorcraft.com shows .054 inch for it
.044 inch according to www.motorcraft.com for the 4.9 L ( 300 cubic inch ) straight 6
www.motorcraft.com shows the 1994 F150 4.9 L ( 300 cubic inch ) straight six spark plug gap as .044 inch
www.motorcraft.com shows the 1994 F150 4.9 L ( 300 cubic inch ) straight six spark plug gap as .044 inch
A good majority of the 1984 Ford F150 gear ratio had 3.00 gears for the stock. In addition, the spline should be a 31.
Screwed in the heads.
i know if you have the 5.4L V8 you will have coil packs. not spark plugs
.044 inch