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2004 - 2008 Ford F150 General discussion on the 2004 - 2008 Ford F150 truck.

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Old 01-30-2011   #11  
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Doesn't the gap look to be way too big what it should be?? When I replaced my plugs they looked 'in tact' but the gap was over twice the specified range. I'd say it's a good thing you did em now, despite tearing up a couple
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Old 01-30-2011   #12  
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Quote:
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Doesn't the gap look to be way too big what it should be?? When I replaced my plugs they looked 'in tact' but the gap was over twice the specified range. I'd say it's a good thing you did em now, despite tearing up a couple
From his "tip" shot, there seems to be some erosion on the GND electrode.

Trent, is it possible for you to get a side shot of the electrodes like this?




If you can, we can compare your plugs to new ones.
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Old 01-30-2011   #13  
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Yeah I can Bob, I'll grab it a little later.
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Old 01-30-2011   #14  
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Crazy they broke. All that rust is horrible. Water in fuel?
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Old 01-30-2011   #15  
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Crazy they broke. All that rust is horrible. Water in fuel?
No idea, I fill up with pretty much all BP gas, not cheap gas or anything. Not sure what would cause that
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Old 01-30-2011   #16  
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mine were kinda rusty aswell
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Old 01-30-2011   #17  
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Water vapor is a by-product of combustion. I assume the water vapor gets between the GND shield and head, and the GND shield rusts. Putting the nickel anti-seize on the GND shield should help.
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Old 01-31-2011   #18  
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Check this out! Tis is a different approach to removing the 5.4L plugs!

You crack them loose, put the coils back, and rev the daylights out of the engine!

http://www.mpt.org/motorweek/goss/3002.shtml
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Old 01-31-2011   #19  
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Hmm, I would love to hear some real-world results of trying that.
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Old 01-31-2011   #20  
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Hmm, I would love to hear some real-world results of trying that.
Me too! I wonder who we could send it to at Ford?
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