Using the 1972 Ford Thunderbird as an example : The 460 cubic inch / 7.5 liter V8 engine : ( has spark plugs gapped at .035 inch )
The spark plug gap for a 1972 333 cubic inch engine is suggested to be .030. The dwell point gap is .017.
.035 inch ( for the 302 / 360 / 390 cubic inch V8 engines )
10-15 pounds.
0.54 (in thousandths of an inch)
The 1966 Ford Mustang 200 cubic inch straight six spark plug gap is .032 to .036 inch
According to one of the Ford websites : For a 1986 Ford E-150 : Both the 5.0 / 302 cubic inch and the 5.8 / 351 cubic inch V8 engines have the spark plugs gapped at ( .044 inch )
According to one of Ford's websites : For a 1984 Ford F-150 , with the 5.0 liter / 302 cubic inch V8 engine : ( the spark plug gap is .044 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 )
.034"
.044 inch
According to fordparts.com the 460 cubic inch / 7.5 liter V8 engine in a 1994 Ford F-250 has spark plugs that are gapped at ( .044 inch )