( .054 inch ) according to fordparts.com for the 5.0 liter / 302 cubic inch V8
engine in a 1992 Ford Mustang
The spark plug gap range for the non-Boss 302 is 0.032"-0.036".
.050 inch spark plug gap - 1986 Ford Mustang 5.0 L ( 302 )
What size engine? 302
According to one of Fords websites : For a 1968 Ford Mustang 5.0 liter / 302 cubic inch V8 engine : ( the spark plugs are gapped at .035 inch )
I will post a link for a Ford 302 V8 Wiring diagram. The 289 is exactly the same.
Per my ford dealer service dept. .54 is best overall gap.
.044 inch in a 1979 Ford truck 302
.044 inch
( .054 inch spark plug gap ) according to fordparts.com for the 5.0 liter / 302 cubic inch V8 engine in a 1989 Ford Bronco
According to www . ford parts . com ( no spaces ) For a 1988 Ford Bronco , 302 cubic inch V8 engine The spark plug gap is ( .044 inch )
According to one of Fords websites : For a 1986 Ford Mustang , 5.0 L / 302 cubic inch V8 engine : The spark plugs are gapped at ( .050 inch )
Plug Gap .032"-.036" Point Gap .017"-.021"