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Spark Plug Gap

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Old 12-07-2006, 07:01 PM
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Spark Plug Gap

What is the spark plug gap for my 1993 f150 5.8?
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Old 12-07-2006, 07:20 PM
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Where ever you got the sparkplugs should be able to tell you that.
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Old 12-07-2006, 07:22 PM
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There should be a sticker under the hood that gives you the gap. I wouldn't trust a parts store to give that information. Too easy for them to screw up.

I believe the range is 0.042 to 0.046.
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Old 12-08-2006, 12:32 AM
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I'm not sure when the cutoff year was, but later models used .052-.056. There should be an emissions label under the hood that lists the correct gap for the truck.
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