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I dont know much aside from DSM when it comes to tuning, but from my experiences with that great program it's almost too much information that you think things aren't working properly and it's because your seeing such detail with so many values that if you don't know the sciences behind how the things work, it starts getting frustrating being a new user.
Anyway, my wideband reads lean at idle but my ecu says stoich and my wideband is a new UEGO with no exhaust or boost leaks. As for WOT fuel I tune to like 10.4 so your A/F to me would be far too lean to be a safe street car. But thats just comparing to a 4g63 DSM motor, though I would think that 11+ would still be somewhat lean no matter the gasoline engine.
EDIT: I also forgot that's for 20-30psi as well. The more boost, the better the tune has to be.
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