According to my Chilton's Auto Repair Manual :
For a 1987 Ford Crown Victoria :
( .044 inch spark plug gap ) for the 5.0 / 302 and the 5.8 / 351
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 )
According to one of Ford's websites : For a 1987 LTD Crown Victoria , 5.0 liter / 302 cubic inch V8 engine : ( the spark plugs are gapped at .050 inch )
where are the spark plugs of a 2000 crown Victoria
Remove the coil on top of the plug. There's the spark plug.
On a 1996 Ford Crown Victoria : Check the Vehicle Emission Control Information ( VECI ) decal in the front of your engine compartment . That will indicate what type of Motorcraft spark plug to use and the spark plug gap
.044 inch
The spark plug gap on a 1987 Ford F-250 should be set between .042 and .050 inches. Platinum spark plugs may work best for this vehicle.
What year of Ford Crown Victoria and what is the engine size A little more information please
1987 FORD THUNDERBIRD 2.3L 140cid L4 MFI Turbo (W) : Ignition : spark plug gap .034 3.8L 232cid V6 TBI (3) : Ignition : spark plug gap .054 5.0L 302cid V8 MFI (F) : Ignition : spark plug gap .050
According to one of the Ford websites : For a 1986 Ford LTD with the 5.0 litre / 302 cubic inch V8 engine : ( .050 inch spark plug gap )
For example : The spark plug gap for the 460 cubic inch / 7.5 liter V8 engine in a ( 1987 Ford F-250 is .044 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 )