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  #13  
Old 04-08-2010, 10:13 AM
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Re: Spark Plugs - What not to buy & do?

So what plugs are recommended for the 4.7HO?? Still Champs or NGK??
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Old 04-08-2010, 03:35 PM
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Re: Spark Plugs - What not to buy & do?

The 4.7L HO requires a platinum tip plug and I've always used the champion (same as OEM) in mine.
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