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TR55's or TR6's?

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Old Oct 22, 2006 | 03:10 PM
  #1  
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Default TR55's or TR6's?
just wondering which set of plugs i should go with. Let me know the experience you have had with them. I have a 5.3 w/ a whipple s/c, 6-7 psi, jba shorties, 160*stat, msd 8.5mm wires, CAI, stock injectors, and some othere stuff.
I was told that the factory AC Delcos are too hot of a plug for my application. Thanks in advance.
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Old Oct 22, 2006 | 03:19 PM
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TR6's. TR 55's are stock heat range i do believe.
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Old Oct 22, 2006 | 03:19 PM
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I think most people go with tr6 when F.I.
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Old Oct 22, 2006 | 03:20 PM
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tr6's.
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Old Oct 22, 2006 | 05:32 PM
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Old Oct 22, 2006 | 11:43 PM
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TR6's
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Old Oct 23, 2006 | 12:25 AM
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go with the coldest plug possible on fi engines,then if it fowls the plug, work down from there
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Old Oct 23, 2006 | 01:12 AM
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Go with the TR6's with boost
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Old Oct 23, 2006 | 06:33 AM
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Tr6's all the way
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