Your AF/R is fine. 11.2-11.8 on pump, no reason to go any leaner.
If it runs good @ 10psi I would upgrade the EMS before turning the boost up, there are some evil things that can happen with the ignition map (detonation) with the safc + that 3071r.
http://www.zilvia.net/f/showthread.php?t=116999