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Discussion Starter #1
This question goes out to all you supercharger owners. I recently purchased a 2002 Roush stage2 and a Saleen series IV S/C that I will be adding shortly,I would like to know what heat range and brand of plugs you are all using, I will be running the stock pulley, and am looking for some information from your experiance.
 

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Kenne Bell recommends that you use one heat range cooler than stock, and that you use Denso U-groove plugs. One heat range cooler for the 4.6 3v is the Denso AUTOLITE H20 (with stock gap), so set the gap at 0.35". Avoid platinum plugs, kenne bell agrees, I think they wear too fast with forced induction. Nice cars btw I am incredibly jealous.
 

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mm's nitrous mod
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one stage colder. most guys are running the tr6, i am running champions, and have had great luck with the zex plugs.
 

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Discussion Starter #4
Sweet you already answered this in the 99-04 forum and thanks again.Sorry double posts in different threads. :sorry
 
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