I looked in a repair manual and it said that the gap for a 1.6 l is .040
According to one of Fords websites : For the 1.6 liter / 98 cubic inch four cylinder engine in a 1991 Mercury Capri ( the spark plug gap is .044 inch )
.034 inch ( according to motorcraft.com , one of Fords websites , for the 1980 Mercury Capri and 1980 Ford Mustang with the 2.3 liter )
The spark plug gap for a 1993 Mercury Capri 1.6 L - DOHC - 4 cylinder engine is : ( .044 inch )
( 6 ) if you have the 4.0 liter SOHC , V6 engine and ( 8 ) if you have the 5.0 liter , V8 engine
spark plug gap for 5.0 liter engine is 0.054 inches
According to one of Fords websites : For a 1994 Mercury Cougar , 3.8 liter V6 engine : ( the spark plugs are gapped at .054 inch )
According to one of Fords websites : For the 3.0 liter V6 engine in a 1996 Mercury Villager : The spark plugs are gapped at ( .034 inch )
According to one of Fords websites : For a 1993 Mercury Villager , 3.0 liter V6 engine : ( the spark plugs are gapped at .032 inch )
I was looking at one of Fords websites and it shows for the 3.0 liter V6 engine in a 1993 Mercury Villager : The spark plugs are gapped at ( .032 inch )
Both the Owner Guide and fordparts.com show ( .034 inch ) spark plug gap for a 1998 Mercury Villager 3.0 liter V6 engine
According to one of Fords websites : For a 1993 Mercury Grand Marquis , 4.6 liter V8 engine : ( the spark plugs are gapped at .054 inch )
According to one of Fords websites : For the 1992 Mercury Cougar , 3.8 liter V6 engine : ( the spark plugs are gapped at .054 inch )