The factory programming is lean in some places and rich in others. Noticeably it's rich at the combination of high loads and high rpms and leaner than you'd hope for at high loads and low rpms. If we get rid of the leaner areas we can run more timing. With the stage 2 software I accomplished this not in the fuel table but in the maf meter voltage translation table. In the stage 1 software I will be doing it in the fuel table and because the factory meter is less acurate at high airflows there will be larger differences in the ignition timing between cyllinders at the combination of high rpms and high loads.
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Originally Posted by NeedForSpeed
The factory programming has less timing, but doesn't really like regular fuel. The reason your programming can run MORE TIMING on LESS OCTANE has to do with the fuel programming changes you have made?
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