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NGK AFX wideband vid

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Old 03-29-2009, 08:24 PM
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Default NGK AFX wideband vid

Well I finally got the wideband installed in the truck. Looks like my tune is on the rich side. What a/f ratio are you guys with maggi's running at wide open throttle?

Old 03-29-2009, 08:56 PM
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Mine seems to like 11.5 in its peak torque range and feathered to 11.8 up to the shift point. Hard to do with methanol spraying. If I can keep it below 11.8 and above 11.0 I'm happy
Old 03-29-2009, 09:00 PM
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I was told that generally your looking for around 12.5 but after reading the tuning manual i was wondering if it needed to be slightly lower with the magnacharger making so much heat. Should have more power available in the tune from what i can tell though. In the video I spun at first and let off and rolled into it.
Old 03-29-2009, 09:23 PM
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12.5-12.9 in a N/A setup. 11.5-11.8 for any FI setup. GENERALLY.
Old 03-29-2009, 09:27 PM
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Dang man, that's a fast Z71. What all you have done to that thing? I'm hoping to get into that range with mine. Your using meth, any nitrous?
Old 03-29-2009, 09:39 PM
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Nevermind i found your link. Nice truck!
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