The 2004 factory calibration will work just fine. I have done several and NEVER been able to out run the MAF table. GM's GMPX built several trucks and they did not use a COS.
Are EFILive's COS speed density calibrations?
The 2004 factory calibration will work just fine. I have done several and NEVER been able to out run the MAF table. GM's GMPX built several trucks and they did not use a COS.
Are EFILive's COS speed density calibrations?
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