What is the correct spark plug gap...

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01-13-2009, 05:20 PM

dfooch

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What is the correct spark plug gap...

for a '99 Expedition (2wd) with a 5.4? I've researched some threads and there appears to be some conflicting numbers.

Thanks to all for the assistance...

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01-13-2009, 07:03 PM

galaxie641

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.054 If you want to see it in writing there is a sticker on the radiator cowl that lists the gap as well.

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01-13-2009, 09:04 PM

Big Bad

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Yep, the spec is .052"-.056". Most shoot for .054".

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