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18.13:1 afr?

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Old 03-31-2015, 08:30 PM
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Bigsyke
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Default 18.13:1 afr?

Something seems off. I'm seeing allot of mid 16's during full throttle pulls.



Its a revup, so I have stock widebands. I didn't see any calibration options in the settings, which is strange because the manual calls for it.

Is this normal?
Old 04-01-2015, 07:30 AM
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seymore4
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Hard to tell a lot from that limited data grab, but the 16~18:1 at that moment is normal. From what I can tell you were decelerating then hammered the gas, at that moment you will have funky readings. I think you are running lean tho, they should have corrected by 4300. You want to be right around 13:1, and B2 seems to be running leaner than B1. I would personally like to see less variance between them.
Old 04-07-2015, 07:55 PM
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Bigsyke
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Update: I was running dangerously lean. High 14's-low 15's all the way through on multiple pulls.

Just a reminder, don't wait to get a tune! I only had a nismo exhaust, y-pipe and megan V2 test pipes at this time.

I'm into the 13's now.
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