Re: dyno'd the z posted by ricky6991 on September 12, 2008 at 03:04 AM
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old plug... Those don't look like mine. The ECU looks stock but thats not saying any thing for sure on that. The Nismo 555's are purple for the old style. So i really don't know. I would just lower it back down till you got a good wide band 02 sensor so you can monitor your AF ratio on the fly... Just to be safe.