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Strange TR55??

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Old 07-23-2008, 05:07 PM
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Default Strange TR55??
I got a set of NGK TR55 plugs and when I open the boxes, they all look the same except for one of them has the chrome/shiny tip. The rest have the copper/brownish looking tip. They all say TR55 on them too, including the chrome tip plug. Which plug is the TR55?
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Old 07-23-2008, 05:34 PM
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its the same man, one was probably made at a different company or different time period and they ran out of copper tips
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Old 07-23-2008, 06:06 PM
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I'm gapping them in the .053-.055 area, all being the same gap of course but I can't read the damn gap ring right lol
is that fine?
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Old 07-23-2008, 06:47 PM
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i gapped mine to about .055 i bealive as well, but i have the tr55IX's but u should be fine with that gap
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Old 07-23-2008, 07:28 PM
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cool thanks for the help
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