Alright guys, Ive been tuning my car on my own using an S-AFC II and a AEM Wideband. I need to know, what are relatively safe A/F ratios? Im gettin 11.9 - 12.5 in 1st, 2nd, 3rd, and it gets up to 13.0 - 13.3ish in 4th and 5th. This is at WOT. So, is this bad? Am Im running a lil too lean? Or...