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NGK Spark Plug Question

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Old Nov 12, 2003 | 05:46 PM
  #1  
Craft's Avatar
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From: San Antonio, TX
NGK Spark Plug Question

Looking through all the threads, I've come to determine most everybody uses TR55s... Do you all use TR55IXs, TR55GPs, or just plain TR55s?
Old Nov 12, 2003 | 07:20 PM
  #2  
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No iridium, no platinum...just good ol' copper TR55s for me.
Old Nov 12, 2003 | 08:49 PM
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plats and iridiums just last longer
Old Nov 12, 2003 | 09:13 PM
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I've heard several people say that platinums have made their cars run like crap. Most of them were LT1 guys, but it's something I keep in mind. I wouldn't bother with iridiums, either.

Just get the copper.
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