Originally Posted by lukeskywrx
If safe power could be made at leaner AFRs why would the factory roms run fueling below 11-1?
I give up. Why?
I have a stock 09 LGT ROM in front of me that calls for 9.65:1 at 6000 RPM and up, and I'd love to know WTF the OEM tuners were thinking.
If that's what it takes to be safe, then those of us running 11:1 must be living on borrowed time.