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Tor
I'm running nearly the same MAF-Scale like Vin (Above 3.8v he is running about 2% leaner, under 3.2v it's the same.)
Mine doesn't go rich above 7000rpm, it holds the AFR pretty constant. LTFT is at 0%. Above 700km since flash. It is also reading 0.2 higher because of the OFT (AFR & Commanded AFR). Last time we where at around 11.5AFR which i didnt really liked, the engine likes leaner better. Also it had more FLKC when it run rich than "lean".
http://datazap.me/u/rezi/stg2-lean-v...4&zoom=451-571
The only difference between Vin and me is, he runs the UEL avcs, myself the EL avcs (stage 2, modified oem header).