The point gap for the big block (390/428) Ford in 1969 would be .017". The 460 is also ,017 according to an old Chilton book for a 1973 Ford Thunderbird 460 cubic inch.
.027 is the point gap.
.044 inch
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
The gap for the 460 is .042-.046, I had a 1991 should be the same 99.9% sure.
( .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 )
.017 inch
.044 inch ( for the 460 in a 1988 Ford truck , according to www . motorcraft . com - no spaces )
.027 / 35 - 40 dwell / for the 1969 1/2 ton Ford truck .025 / 37 - 42 dwell / for the 1969 3/4 and 1 ton Ford truck
.044 inch ( according to fordparts.com )
For a 1969 Lincoln, the point gap is set at .017, and the spark gap should be set at .035.