In a 1978 Ford truck , 300 cubic inch ( 4.9 L ) straight 6 cylinder , the spark plug gap is : .054 inch ( .044 inch in California ) according to www . motorcraft . com ( no spaces )
The 1978 Ford truck 300 cubic inch straight 6 cylinder spark plug gap is .054 inch ( .044 inch in California ) according to www . motorcraft . com ( no spaces )
.044
I was looking at one of the Ford websites : For a 1978 Ford F-250 : It shows .044 inch spark plug gap for all engines except the 4.9 liter / 300 cubic inch inline ( straight ) six cylinder engine For that engine it shows .054 but I believe that is a mistake because for 1977 and 1979 it shows the .044 inch spark plug gap
.044 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 )
Bad distributor cap, plug wire, or spark plug.
it not uses 12 spark plugs, it uses 24 sparks plug due that was the original design from ford's engineerings
For a 1984 Ford F-150 , 4.9 liter / 300 cubic inch inline six cylinder : Running on gasoline ( .044 inch spark plug gap ) * I only have running on gasoline because the Ford website has two listings ( .034 for LPG )
( .044 inch ) spark plug gap for your 1984 ( 300 cubic inch ) 4.9 L straight 6 cylinder Ford engine
www.motorcraft.com shows the 1994 F150 4.9 L ( 300 cubic inch ) straight six spark plug gap as .044 inch
.044 inch ( according to www . motorcraft . com / no spaces ) spark plug gap for the 1994 Ford F-150 4.9 L ( 300 cubic inch ) straight six cylinder
A 1999 Suzuki King Quad 300 should have a spark plug gap of .028 inches. A spark plug for this vehicle should cost about $2.20.