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Non-Nitrous Motor - NGK TR55 or TR6s?

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Old 08-14-2005, 07:13 PM
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Default Non-Nitrous Motor - NGK TR55 or TR6s?

Need new plugs for my LS1. From what I read on here, NGK TR55s are the way to go for a stock motor, and TR6s are the plug of choice for a nitrous car because they're a step colder.

A local tuner is suggesting I use TR6s on my motor that will never see nitrous.

What do you guys think?
Old 08-14-2005, 07:18 PM
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i actually had better luck with an autolite 605, which is a replacement for the TR55.
motor doesnt misfire at idle and on medium acceleration (when its cold)
under full temp there was no difference.
Old 08-14-2005, 07:25 PM
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go with the TR 55's, Most people around here run them as well.
Old 08-14-2005, 10:34 PM
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TR55's will do the job.
Old 08-15-2005, 11:11 PM
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go with the TR55's.
Old 08-16-2005, 01:53 AM
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Tr55`s
Old 08-16-2005, 02:12 AM
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Tr55's is what you should run
Old 08-16-2005, 07:31 AM
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Ordered the TR55s today. Going with MSD wires, as well. Thanks guys!
Old 08-16-2005, 10:47 AM
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great items,good luck and have fun....




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