Quote:
Originally Posted by cjperformance
I'm a noob, but your setup is so similar to mine... what jumped out at me... The maf lbs/min for 11 psi in 55 degree ambient weather looks low at 76 lbs/min... so guessing the maf scaling might have been off. On my own setup, at 8-9 psi I see 78-80 lbs/min at similar rpm and ambient temps... so I would have *GUESSED* (because I dont really know) that lbs/min should be proportionately higher. Looking for more experienced input there... I dont have any context to know what airflow lbs/min should look like at 11 psi vs 8 or 9 psi.
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What you're saying (MAF cal off) makes a lot of sense. If there is more air going in than the ECM knows about, then of course it will be leaner than intended. Commanding .81 and getting .87 sure looks like a calibration problem.