.040
0.40
.044 inch
www . motorcraft . com ( no spaces ) shows : For a 1972 full size Ford with 400 cubic inch V8 engine , a spark plug gap of ( .035 inch )
According to one of Ford's websites : For a 1987 Ford LTD Crown Victoria : ( 5.0 liter / 302 cubic inch V8 engine , .050 inch spark plug gap ) ( 5.8 liter / 351 cubic inch V8 engine , .044 inch spark plug gap )
The 1966 Ford Mustang 200 cubic inch straight six spark plug gap is .032 to .036 inch
For a 1991 LTD Ford Crown Victoria : According to one of Fords websites : For the 5.0 liter / 302 cubic inch V8 engine ( .050 inch spark plug gap ) For the 5.8 liter / 351 cubic inch V8 engine ( .044 inch spark plug gap )
On a 1993 Ford F-150 : 4.9 liter / 300 cubic inch inline six cylinder ( .044 inch ) 5.0 liter / 302 cubic inch V8 ( .054 inch ) 5.8 liter / 351 cubic inch V8 ( .044 inch ) spark plug gap , according to fordparts.com
fordparts.com shows the 1967 Ford Mustang 390 cubic inch ( 6.4 liter ) spark plug gap as ( .035 inch )
.050 --------------------------------------------------------------------------------------------------- According to one of Ford's websites : If you have the 5.0 liter / 302 cubic inch V8 it is ( .050 inch ) as mentioned above If you have the 5.8 liter / 351 cubic inch V8 , the spark plug gap is ( .044 inch ) Helpfull
4.9 L ( 300 cubic inch ) straight 6 cylinder spark plug gap ( .044 inch ) 5.8 L ( 351 cubic inch ) V8 ( .044 inch ) 5.0 L ( 302 cubic inch ) V8 ( .054 inch ) Yes ! that is correct , .054 inch on the 5.0 L ! You can confirm the spark plug gap by checking the VECI sticker in your engine compartment on the fan shroud or in front of the radiator ( Vehicle Emission Control Information )
0.044" ------------------------------------------------------- for the 4.9 L ( 300 cubic inch ) straight 6 cylinder and the 5.8 L ( 351 cubic inch ) V8 but the 5.0 L ( 302 cubic inch V8 spark plug gap is .054 " according to www . motorcraft . com ( no spaces )
The 1986 Chevrolet 350 cubic inch engine spark plug gap is .027. Most spark plugs will be pre-gapped by the spark plug manufacturer.