and never went past 12:1 af. It was a spike but it did it. On the dyno I unplugged the waste gates to see what the stock turbos really would do. At 1118ft above sea level, 77 deg F., the most my used worn stock turbos would do was 17.8 with just fans on the intercoolers. AF stayed 11 : 1 on my innovate wide band and the dyno sniffer was reading around 11.5 : 1. I wasn't tuning, it was a JWT eeprom.