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Whats spark plugs to use?

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Old 04-07-2006, 10:05 AM
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buttz
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Whats spark plugs to use?
Is anyone haveng better luck with a certain brand of plugs? If possible Id like to get some better milage out of my 5.4. thanks
 
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Old 04-07-2006, 06:05 PM
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Motorcraft only, ask anyone who has tried Bosch. These engines only like Motorcraft.
 
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Old 04-07-2006, 07:32 PM
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You can also use the Autolite equivalent.
 
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Old 04-07-2006, 07:59 PM
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Yup, Bosch do not work well for some reason. Changed my plugs last year and used the Bosch platinums, truck ran better with the originals that had 50k on them, stick with OEM's.
 
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