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

MAF question

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Old Sep 9, 2010 | 07:04 AM
  #1  
ray396's Avatar
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Cool MAF question

Hi, I am programing my PCM, and what should MAF be. I have stock GM MAF? Thanks for any help,Ray
Old Sep 9, 2010 | 10:44 AM
  #2  
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Originally Posted by ray396
Hi, I am programing my PCM, and what should MAF be. I have stock GM MAF? Thanks for any help,Ray
I don't thnk there is enough information there to give an answer. There is no car info or anything else. What do you mean?
Old Sep 9, 2010 | 10:54 AM
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I am using LT1 edit, and in the fuel window. there is MAF Calibration Frequency vs Air Flow. I just want to make sure I have it set correctly at 2.45. Ray
Old Sep 10, 2010 | 09:14 AM
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I'm not familiar with LT1 edit... are you editing a table or a single value? Is it measuring in grams of air per second?

Tunercat has 4 tables to calibrate the MAF with a wide range of frequencies. Idle takes between 7gm/sec and 8gm/sec of air depending. I have 2.45gm/sec for 1488Hz.

Last edited by razor02097; Sep 10, 2010 at 09:17 AM.
Old Sep 10, 2010 | 11:56 AM
  #5  
ray396's Avatar
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Cool

Hi I ordered some books on tunning efi. I am changing the hole table, I found some info on a.Lt1 website. I think it's Solmon's. Thanks for the help,Ray
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