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Discussion Starter · #1 ·
The manual from procharger for my 09 6.1 challenger states to use the champion plugs which are one level cooler. Aren'tthese plugs oemrreplacmemt for the 5.7? If so they would be hotter than the stock 6.1 plugs? The install is happening tommorow and I left 16 of the champion plugs with the shop. Could someone please claify. Thanks.
 

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i would call procharger.. the are pretty easy to get ahold of.
 

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Discussion Starter · #3 ·
That was the plan and I did call this morning. I was just looking for answers before they were open. Procharger stated that although the champion plugs are the same heat range as the stock one, they run colder than stock because of the copper tips as opposed to iridium.
 
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