According to the Hanes Manual: .044
The spark plug gap is .054"
The spark plug gap is .054"
www.motorcraft.com shows the spark plug gap as .044 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
.054 inch
.044 inch
.054 inch
2001 Ford Truck F150 1/2 ton P/U 2WD 5.4L EFI 8cylThe Spark Plug Gap.054 (In thousandths of an inch)
gap is .040
1987 Ford Truck F150 1/2 ton P/U 2WD 4.9L FI 6cylThe Spark Plug Gap.044 (In thousandths of an inch)
The proper spark plug gap for a 2001 Ford F150 4.6 V8 is .054"