.054 inch ( according to www . motorcraft . com - no spaces )
SPARK PLUG GAP2004 Ford Truck E150 Super Duty Van 4.6L EFI 8cylThe Spark Plug Gap.054 (In thousandths of an inch)
The 1991 Mercury Marquis spark plug gap is .034. Most spark plugs will be pre-gapped by the spark plug manufacturer.
what is the setting of the spark plug gap for a 1991 chev caprice .035
Check your underhood sticker, it will have that information.
gap is .040
The 1991 Suzuki 250 dirt bike spark plug gap is .019. Most spark plugs will come pre-gapped from the spark plug manufacturer.
The 1991 350 cubic and Chevrolet engine spark plug gap is .027. Most spark plugs will come pre-gapped from the manufacturer.
.031 is the correct gap for this vehicle
set you gap at .031
1991 Jeep Cherokee 2WD 4.0L MFI 6cylThe Spark Plug Gap.035 (In thousandths of an inch)
the gap is 0.024
.035 gap standard and stock