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What plug do you think I should be using. All my mods are in my signature, supperram, brodix heads, etc. Do you think a stock plug is ok, or should I be using a little hotter one. Any suggestions appreciated.
 

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For a naturally aspirated car with your listed mods, a stock heatrange plug is still usually "ok".... but An Autolite 104 (which is "truthfully" about a 1/2 step colder than stock) is a good plug for your situation........There's really no reason to ever go hotter than the stock heatrange...."slightly" colder is what you want........Joe:thumbsup:
 

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I really like the NGK TR-55 Double Platinum. Mainly because they last longer and I don't have to swap them out as often as standard, copper-core plugs.

I don't look forward to C4 plug and wire swaps, even with the clamshell hood. :down:
 
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