The 4.9 L ( 300 cubic inch ) straight 6 cylinder is ( .044 inch )
The 5.0 L ( 302 cubic inch ) V8 is ( .054 inch )
The 5.8 L ( 351 cubic inch ) V8 is ( .044 inch )
According to motorcraft . com
gap is 42
5.4 eng spark plug setting is .052-.056
On the distributor cap
Check your underhood sticker, it should say.
.042 to .046 inch
( .044 inch ) according to fordparts.com
Check VECI label under hood!
.054
1,4,3,2
1,3,4,2
A 1992 Ford F-150 with the 5.0 liter V8 engine has a spark plug gap of ( .054 inch ) according to ford parts . com ( no spaces )
It is 0.044 ======================================================= According to one of Fords websites : The spark plug gap for the 4.0 liter V6 engine in a 1992 Ford Aerostar is ( .054 inch ) * the .044 inch spark plug gap is for the 3.0