What MCAT would I need to stand a good chance at an MD School?

So I've never been a great student and I've had a lot of trouble with depression and motivation over the years. I graduated UCSD with my B.S. in Physiology and Neuroscience. with cGPA 3.429 sGPA 3.38 and nsGPA 3.65 which is not catastrophic but when you include all the screwing around I did in community college everything drops way lower. If you include community college cGPA 3.31 sGPA 3.02 ns GPA 3.67. i have 36 hours of clinicals from my EMT ride-alongs and I'm planning on shadowing... What MCAT would I need to stand a good chance at an MD School?
Source: Student Doctor Network - Category: Universities & Medical Training Authors: Source Type: forums