.044. Make sure to unhook the battery while doing a tune up, then when you start the vehicle let it idle for 1 minute and 30 seconds to let the computer reset and relearn its correct idle RPM, per the OEM vehicle handbook.
.044
( .044 inch spark plug gap ) for the 7.5 liter / 460 cubic inch V8 engine in a 1993 Ford F-350
for a 1979 Ford F-150 ( 7.5 liter / 460 cubic inch V8 ) the spark plug gap is ( .044 inch )
The gap for the 460 is .042-.046, I had a 1991 should be the same 99.9% sure.
For example : The spark plug gap for the 460 cubic inch / 7.5 liter V8 engine in a ( 1987 Ford F-250 is .044 inch )
.044 inch ( for the 460 in a 1988 Ford truck , according to www . motorcraft . com - no spaces )
.044 inch ( according to fordparts.com )
.054
.044 inch , according to motorcraft.com
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 )
www . motorcraft . com ( no spaces ) shows : .054 inch spark plug gap for the 1.9 L engine in a 1992 Ford Escort
According to www . ford parts . com ( no spaces ) The spark plug gap for the 2.3 liter four cylinder engine in a 1992 Ford Mustang is ( .044 inch )