Excel + Tuning Datalogs = Cool Graphs :-)

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Dec 24, 2005 | 04:31 PM

#1 (permalink)

mtber

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Excel + Tuning Datalogs = Cool Graphs :-)

Per the request of a client, I made this chart for a customer with a very nice LS/Turbo Setup.

The pull was a 3rd gear pass made during a street tune.

Good times

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Last edited by mtber; Dec 24, 2005 at 04:34 PM.

Dec 24, 2005 | 04:39 PM

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Alpha

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Very cool. You can also use Excel to plot unfiltered knock volts in AEM EMS to engine speed and engine load to help setup the calibration table.

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Dec 24, 2005 | 05:07 PM

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mtber

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Quote:

Originally Posted by Alpha

Very cool. You can also use Excel to plot unfiltered knock volts in AEM EMS to engine speed and engine load to help setup the calibration table.

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Dec 25, 2005 | 02:38 PM

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The Spectacle

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is the point where the two lines cross over of any significance?

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Dec 25, 2005 | 06:24 PM

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na200whp

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no . its just boost overlaying A/F in referance to RPM

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Dec 25, 2005 | 07:54 PM

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mtber

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Quote:

Originally Posted by na200whp

no . its just boost overlaying A/F in referance to RPM

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Dec 26, 2005 | 06:31 PM

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60-1EK

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11:1 A/F at 2200rpm, that has to be a typo

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Dec 26, 2005 | 11:30 PM

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mtber

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Quote:

Originally Posted by 60-1EK

11:1 A/F at 2200rpm, that has to be a typo

Sampling from an instant 100% throttle & from an almost a dead stop in 3rd using gear fuel correction values usually results in a low 11:1 a/f at instant 100% throttle tip in. Especially on an oem ls motor street tune with a 17yr vehicle owner.

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