I stay with one source so far. So its been consistent. But I believe weather conditions can affect E-85 more than gas. Higher humidity seems to like more jet on the carb. Cool crisp air less. (Actually the while motor likes cool crisp. And less everything? E-85 likes advanced timing. Cool crisp air doesn't seem to need as much timing.) If too cool? Then getting engine up to temp can be more challenging with E-85. Just what I have been seeing.
