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Cobra Forums
2013-14 Shelby GT500
Brisk Silver Racing Spark Plug (600hp+) BR-GR12-S or NGK TR7IX Iridium Spark Plugs
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<blockquote data-quote="biminiLX" data-source="post: 16670096" data-attributes="member: 7795"><p>Yes I run E85 but I’m surprised they but a power level on it. Not sure what the NGK BR7s are ‘rated’ at but I’ve been wanting to try a colder 8 plug. E85 tends to tolerate a hotter plug. 23-24# and 1100rwhp should probably want a 9-10 plug but I drive it regularly on the street so 80% is out of boost and I’ve had success with the NGKs but always looking for better options.</p><p>I’ll let you know.</p><p>-J</p></blockquote><p></p>
[QUOTE="biminiLX, post: 16670096, member: 7795"] Yes I run E85 but I’m surprised they but a power level on it. Not sure what the NGK BR7s are ‘rated’ at but I’ve been wanting to try a colder 8 plug. E85 tends to tolerate a hotter plug. 23-24# and 1100rwhp should probably want a 9-10 plug but I drive it regularly on the street so 80% is out of boost and I’ve had success with the NGKs but always looking for better options. I’ll let you know. -J [/QUOTE]
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2013-14 Shelby GT500
Brisk Silver Racing Spark Plug (600hp+) BR-GR12-S or NGK TR7IX Iridium Spark Plugs
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