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Bosch Ir Platinum Fusion Spark Plugs

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Old 03-03-2007, 10:56 PM
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Lightbulb Bosch Ir Platinum Fusion Spark Plugs
Has anyone tried these plugs in a 4.6L V8 yet?? At $10.00 each I was wanting to know if they are worth it. Any power gains or losses??
Lariat#1
 
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Old 03-04-2007, 08:07 AM
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Spark plugs will not provide any power gain.

All you'll ever see is a restoration of any loss that might have been due to degraded components.

FWIW, the Motorcrafts work just fine as replacements and they're only $4 each.

Steve
 
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Old 03-13-2007, 12:29 AM
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bosch has knocked in every ford I have ever owned. motocraft are best for the money.
 
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