www . motorcraft . com ( no spaces ) shows : .054 inch spark plug gap for a 1986 Ford Thunderbird 3.8 liter V6 engine
( .050 inch ) - spark plug gap for 1986 Ford Mustang - 5.0 liter engine
( .044 inch ) for the 2.9 liter V6 engine in a 1986 Ford Ranger
According to one of Fords websites : For a 1986 Ford Taurus : ( both the 2.5 liter four cylinder engine and the 3.0 liter six cylinder engine have the spark plugs gapped at .044 inch )
.050 inch , according to fordparts.com
According to one of Ford's websites : For the 5.0 liter / 302 cubic inch V8 engine in a 1986 Lincoln Town Car : ( the spark plugs are gapped at .050 inch )
.035 inch
5 liter is the engine size. In non-metric its 305cid
ka24 engine
.045 on most,what engine do you have?
Until you turn off the engine...
The spark plug gap for a 1986 Chevy Celebrity with the 2.5L 4 cyl engine is .060".
The recommended spark plug gap is .032"