+1 But I don't think you'd get the full potential as you'll be introducing bottlenecks before and after the Air Mass Meters... Air flow would not have the same velocity...
Well, that doesn't really solve your problem if you're running Stage 4 software with the wrong MAFs.
A larger MAF housing, with the same MAF element, will give off a lower voltage for the same airflow as the stock housing.
So if you're running stock housings with software designed for larger housings, then your ECU will think there is more airflow than is actually coming in, and will run rich. Your O2 sensor will try to adapt the best it can, but once it gets over a certain value, it will throw codes. By using a reset tool, it will just go rich again until the O2 sensor can adapt.
I added the Dinan MAF housings. No change in programming, which might explain why I didn't notice any difference in power.It's not a matter of how much air is getting supplied, it's a matter of how much air is getting read by the ECU.
A larger MAF has a different voltage vs. airflow curve than stock, so the ECU is reprogrammed to use the new curve. The MAF must match what the ECU is programmed for.
I added the Dinan MAF housings. No change in programming, which might explain why I didn't notice any difference in power.
My AFR's, as dyno measured, rose slightly from 12.2 to 12.5.
Right. That is why I didn't bother with a PC retune, I think 12.5 is fine and might actually be a little closer to optimum (from a touch rich) on my car.Jerry,
Powerchip adjusted my afr after i ran too rich ...but it's at 12.2 right now and felt the difference don't know if that slight change on afr's made the difference, the High flow air mass meters or both...