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@ drmiller100: Not to be a bother, but can you cite any sources for that? Everything I've read puts E85's stoich at just under 10:1. I understand running 7-8:1 for power, as that is the same concept as running rich with gasoline (usually 10-11:1) for power. But in terms of stoich, I thought that complete burn off is complete burn off. So rather than the 14.7:1 for gas, E85 has ~9.7:1. I know that you can obtain better economy by going beyond stoich, but everything I've read (this is in terms of gasoline) states that leaning out any further than 1.2 lambda doesn't do a whole lot.
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