Quote:
Originally posted by staholdn
I have installed a CAI, and JWT S3 cams. Do I still have the correct fuel pressure? Does the ECU correct for more air and adjust the pressure or do I need to instal a regulator? If so does the B & M Command flo fit the SR20 or do we need a different regulator (which one?). My air/fuel ratio gauge reads between lean and the top side of rich but never really rides in the rich side. I know this is o.k. but would I benefit from increasing the pressure or would this be a waste of time and money?
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Don't waste your money. Adjusting your fuel with pressure is the ghetto way to do it. The SR20 uses a hot wire MAF and will adjust for additional airflow, unlike the MAP system in Honduhs and some other cars.
Sorry to be the one to tell you this, but air/fuel gauges are a total waste of money. They are not sensitive enough for tuning and can even screw with the ECU reading the O2 sensor.
I agree with Jason all the way.