.044 inch
Three on each side of the motor. Follow the spark wires.
( .044 inch spark plug gap ) for the 7.5 liter / 460 cubic inch V8 engine in a 1993 Ford F-350
According to one of the Ford websites : For a 1993 F-150 lightning , 5.8 liter / 351 cubic inch V8 engine : ( the spark plugs are gapped at .044 inch )
According to one of Fords websites : For a 1993 Ford Thunderbird , 3.8 liter / 232 cubic inch V6 engine : The spark plugs are gapped at ( .054 inch )
.044 hope this helps =========================================================== The above answer is correct if you have the 4.9L inline six cylinder or the 5.8L V8 engines ( if you have the 5.0L / 302 cubic inch V8 engine in your 1993 Ford Bronco the spark plugs are gapped at .054 inch )
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
4.9 L ( 300 cubic inch ) straight 6 cylinder 5.0 L ( 302 cubic inch ) V8 5.8 L ( 351 cubic inch ) V8 and I'm not sure if the 7.5 L ( 460 cubic inch ) V8 was available in the 1993 Ford F-150
.042 -.046 --------------------------------------------- Except the 5.0 L ( 302 cubic inch ) V8 - www.motorcraft.com shows .054 inch for it
The 4 cylinder in a 1993 Ford Ranger is 2.3 liter ( 140 cubic inches )
It could have : The 4.9 liter ( 300 cubic inch ) straight 6 cylinder , the 5.0 liter ( 302 cubic inch ) V8 , or the 5.8 liter ( 351 cubic inch ) V8
281 cubic inches ( Ford 4.6 liter V8 engine )
.054