.052-.056 It's listed on the sticker under the hood. The one with the picture that shows you how to install the serpentine belt.
The 2000 Ford Explorer owners manual shows .052 to .056 inch for your 5.0 L ( 302 cubic inch ) V8 engine
Check the Vehicle Emission Control Information ( VECI ) decal located in the front of the engine compartment ( it will show the type of spark plugs to use and the spark plug gap )
( .054 inch ) for the 4.0 liter OHV , 4.0 liter SOHC , and the 5.0 liter V8 engine
For a 2001 Ford Explorer Sport Trac : There are ( 6 spark plugs ) for your 4.0 liter V6 engine
52to56
According to the 2006 Ford Explorer Owner Guide : For the 4.0 litre SOHC , V6 engine : ( the spark plugs are gapped at .052 to .056 inch ) *** confirm with the Vehicle Emission Control Information ( VECI ) decal in the front of your engine compartment ***
The spark plug gap is ( .054 inch )
Points .017 and spark plug .035
.045
30thousands?
( 8 spark plugs ) for your 4.6 liter V8 engine in a 2002 Ford Explorer
The spark plug gap for the 5.0 L - V8 engine - in a 1999 Ford Explorer is ( .052 - .056 inch )