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Yes. Actually the peak was made a little richer with a smaller air bleed, flattened out the fuel curve, might have hampered the emulsion a little at the lower RPM's to lean it that ended up being good. I had considered changing it before leaving the house as my Racepak O2's showed the same, but figured the car had run so well at the track we would make the first pull as it came off my car. Plugs and MPH are the best way to make major changes, the O2's can show little details to help the fine tuning.Mark Whitener

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