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Spark plug recommendation

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Old 01-05-2012, 04:23 PM
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Default Spark plug recommendation
Got a 99 f150 5.4 v8 4x4 100,000k on it, any suggestions for spark plugs?
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Old 01-05-2012, 04:56 PM
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Stick with motorcraft. The more parts that say motorcraft in a Triton, the happier it'll be.
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Old 01-05-2012, 05:01 PM
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NGK, E3, Accel, or even Ford racing spark plugs
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Old 01-05-2012, 05:05 PM
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X2 on the motorcraft
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Old 01-05-2012, 05:30 PM
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X3 on motor craft
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Old 01-05-2012, 06:10 PM
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I've had excellent luck with autolite plugs
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Old 01-05-2012, 06:16 PM
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x4 on motorcraft ! just like what tcstang17 the 5.4 really only like motorcraft stuffz lol
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Old 01-05-2012, 07:16 PM
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Anything I can put back to Motorcraft I do. Never had any issues.
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Old 01-05-2012, 07:39 PM
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X5 on Motorcraft. I just changed mine last week, Motorcraft SP-479, .054gap, 28-32 torque(very important)
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Old 01-09-2012, 11:05 AM
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what is the new plug number for motocraft on a 4.6L V8?
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