.044 inch ( for the 4.9 L / 300 cubic inch straight 6 cylinder in a 1983 Ford truck )
according to motorcraft.com - one of Fords websites
i have a 1988 ford ranger xlt 4 cylinder and my spark size is 42-46 hope this will help
.044 inch
( .044 inch ) spark plug gap for your 1984 ( 300 cubic inch ) 4.9 L straight 6 cylinder Ford engine
On a 1966 Ford Mustang : 200 cubic inch inline six cylinder engine : The spark plugs are gapped at ( .032 to .036 inch )
According to www . ford parts . com ( no spaces ) For a 1983 Ford E-150 with the 4.9 liter / 300 cubic inch inline six cylinder ( .034 inch spark plug gap )
.054 inch ( .052 to .056 inch )
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 )
According to one of Fords websites : For a 1995 Ford Contour , 2.5 litre V6 engine : ( the spark plugsare gapped at.054 inch )
.044 inch according to www.motorcraft.com
The spark plug gap for a 1983 Ford Ranger 2.8L is .044"
Ford uses Motorcraft Spark Plugs
The spark plug gap for a 2005 Ford Taurus 3.0 is recommended to be set at 0.44. The actual setting varies based on the specific spark plugs used.