Not to be disrespectful, however you just answered your own question...if it's a V-6, there are 6 spark plugs!
Your local autozone can tell you. If they can't ask for spark plus for a 1988 Ford Thunderbird with a 5.0 engine.
I was looking at one of the Ford websites and it shows : For a 1955 Ford Thunderbird , 4.8 liter / 292 cubic inch 8 cylinder engine : ( the spark plugs are gapped at .035 inch )
According to one of Fords websites : For a 1989 Ford Thunderbird , 3.8 liter V6 engine : The spark plugs are gapped at ( .054 inch )
According to one of Fords websites : For a 1993 Ford Thunderbird , 3.8 liter / 232 cubic inch V6 engine : The spark plugs are gapped at ( .054 inch )
There are several different "Bosch" spark plugs that don't need to be gapped (actually gapping them will damage them) that are perfect for Ford Thunderbirds!!!
According to one of the Ford websites : For a 1988 Ford Escort , 1.9 litre four cylinder engine : The spark plugs are gapped at ( .044 inch )
The engine is a 3.8L V6, therefore: 6 cyl @ 1 plug/Cyl = 6 plugs.
Using the 1972 Ford Thunderbird as an example : The 460 cubic inch / 7.5 liter V8 engine : ( has spark plugs gapped at .035 inch )
Do it yourself, use platinum tipped plugs so you won't have to replace them often. http://www.marksatterfield.com
I was looking at one of the Ford websites and it shows : For a 1967 Ford Thunderbird , 7.0 liter / 427 cubic inch V8 engine : ( the spark plugs are gapped at .035 inch )
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