NGK Iridium Spark Plug Sets - Regular, One Step Colder, and Two Step Colder

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Oct 7, 2008 | 07:20 PM

#81

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Oct 9, 2008 | 02:56 PM

#82

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Oct 10, 2008 | 06:49 AM

#83

Red04350Z

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Can I get 2 sets of Two Step Colder for 77089

Gonzo

Oct 15, 2008 | 04:17 PM

#84

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Oct 16, 2008 | 04:57 PM

#85

coachk

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Do these work with the HR motors?

Oct 16, 2008 | 11:21 PM

#86

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Quote:

Originally Posted by coachk

Do these work with the HR motors?

As of right now, ngk does not list a part number for the HR motor, we are still looking into which plugs work with the HR motor.

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Oct 17, 2008 | 03:54 AM

#87

Mr. Dean

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I've been using the NGK one steps, is there a real difference with the two step?

Oct 21, 2008 | 03:30 PM

#88

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Quote:

Originally Posted by Mr. Dean

I've been using the NGK one steps, is there a real difference with the two step?

It could, we recommend talking to your tuner before running 2 step.

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Oct 23, 2008 | 11:28 AM

#89

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Oct 26, 2008 | 07:54 PM

#90

g3tnak3don3

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i'm ordering online through website, thanks!

Oct 28, 2008 | 03:00 PM

#91

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Oct 30, 2008 | 03:54 PM

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Nov 4, 2008 | 10:29 AM

#93

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Nov 6, 2008 | 03:33 PM

#94

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Nov 11, 2008 | 12:32 PM

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Nov 11, 2008 | 01:18 PM

#96

j.arnaldo

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Pardon my ignorance, but what's with the "one step colder"/"two step colder" bit? Is it better to have colder plugs than, say, the OEM ones? Does it go by the type of traffic you drive in (i.e. mostly freeway vs. city driving). Fill me in, guys!

Last edited by j.arnaldo; Nov 11, 2008 at 01:33 PM.

Nov 13, 2008 | 03:25 PM

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The colder plugs are for running forced induction or turbo, when running boost, the engine needs colder plugs, two steps colder are for built, custom tuned engines running boost. Cold plugs will actually make NA cars run worse, if running NA please stick with the normal heat range.

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