Safc2 question please help

[BadazzSr20]

Hey guys I have a question about my tuning I'm just leaning about this and I'm doing good at it. As of right now I have the car boosting 15psi and a/f is at 10.9-11.5 witch is where I want to be.

I just need to know once I fine tune the car and I have my tune set up how do I tweak the drivability? What I mean is when I'm drive to work and I'm not in boost in just chilling and driving how do I lean it up alittle so I'm not burning so much gas. Is that even possible or it is going to be set to run little rich cause of my tune being rich? Is there a way to tune it so when I'm driving to work it shows like low 14s in vacuum? I think right now its showing like 12.s and my gas is burn up quick.

Thanks all.