Computer Diagnostics and Tuning Technical discussion on diagnostics and programming of the F-body computers

TC, WOT tuning a/f - thru the MAF tables right?

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Old 04-16-2006, 07:33 PM
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TC, WOT tuning a/f - thru the MAF tables right?

In Tunercat, the best place to adjust the A/F ratio would be in the 4 MAF tables correct?

I'm currently at 10.4:1 and would like to get back to at least 11.7-12.0 area. Using Datamaster as logs and the dyno - what's a good % to take out of the MAF to achieve 11.7-12.0 air/fuel?
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Old 04-16-2006, 07:59 PM
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Re: TC, WOT tuning a/f - thru the MAF tables right?

I always take out -1.025% of the Maf tables and then datalog to check the changes.
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Old 04-16-2006, 08:00 PM
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Re: TC, WOT tuning a/f - thru the MAF tables right?

You're much better off changing the PE table--"% To Change Fuel/Air vs. RPM at WOT."
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Old 04-16-2006, 10:18 PM
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Re: TC, WOT tuning a/f - thru the MAF tables right?

Originally Posted by Jon A
You're much better off changing the PE table--"% To Change Fuel/Air vs. RPM at WOT."
Change from here then? Do I need to check/monitor my BLM's at all?

Thanks
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Old 04-18-2006, 11:56 AM
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Re: TC, WOT tuning a/f - thru the MAF tables right?

Originally Posted by DarkHorse
Change from here then? Do I need to check/monitor my BLM's at all?

Thanks
The most accurate way would be to make a change, take wideband readings, analyze the efffect, repeat if necessary. At WOT, your narrowband sensors are ignored. You are talking about WOT tuning, correct?
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