Originally Posted by AZScoobie
More advance will increase the VE in those ranges as you found out. Good luck. This is going to be very difficult without a dyno. You have no airflow reference. Only AFR to go off of.
I can use the factory MAF and log the 0-5V output from the MAF to my Autronic. I have the MAF scaling table from the factory ECU so I could easily interpret the values, although I guess I'm looking for increases in airflow, not quantitative values.
Would the MAF be a suitable airflow reference?