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Best Spark Plug for 5.3 with Supercharger?

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Old May 18, 2009 | 09:55 PM
  #11  
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I have Tr6s in the garage but the rear two are too much of a pain to remove to worry about changing right now!
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Old May 18, 2009 | 09:58 PM
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Eh there not all that bad.LOL
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Old May 18, 2009 | 10:00 PM
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I don't want to break a nail
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Old May 19, 2009 | 09:40 AM
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looks like NGK TR6's it is Thanks guys!
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Old May 20, 2009 | 12:05 AM
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Originally Posted by Kawibrute
looks like NGK TR6's it is Thanks guys!
what i am running
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Old May 20, 2009 | 12:28 AM
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Originally Posted by JennaBear
I don't want to break a nail
Fair enough resaon, make the old man do it lol
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Old May 20, 2009 | 05:15 AM
  #17  
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Anything wrong with the OE iridums? Is it just price?
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Old May 20, 2009 | 06:06 AM
  #18  
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It's mainly the price. They work a little better and are way cheaepr
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Old Apr 12, 2016 | 10:25 PM
  #19  
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07.5 sierra cam, headers, vortech supercharger. What b my best bet on plugs? Can u use iridiums?
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Old Apr 13, 2016 | 05:15 AM
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Most people will tell you to not use a projected tip plug, ie, iridiums.

I use a TR6 gapped at around .027. They work great and are cheap and plentiful.
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