I believe that's .017 point gap with the automatic transmission equipped 390
.019 new points. .017 used points.
To gap the points on 390 cubic inch Ford engine a gapping tool is needed. The tools allows a mechanic to physically stretch or reduce the gap. The recommended gap is 10 to 14 millimeters with the ideal of 12 millimeters.
should be between .017" and .021"
Point gap---.017-.019 Plug gap----.034 Dwell Angle-26-31 Timing------10-12 BTDC
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.
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The point gap is ( .024 inch ) for the 2.8 L - V6 engine in a 1974 Ford Mustang ( unless the engine compartment decal shows different )
points gap 17
The point gap for a 1968 Ford with a 360 Engine are .017 without European Commission and .21 with European Commission.
According to one of Fords websites : For a 1967 Ford Galaxie , 6.4 liter / 390 cubic inch V8 engine : ( the spark plugs are gapped at .035 inch )
.035 inch spark plug gap for a 390 V8 in a 1973 Ford truck ( according to www . motorcraft . com - no spaces )