Quote:
Originally Posted by lookitsapples
I see, so if we intended to go full e85 we swap to the 93 map and when we have to run a different blend with normal gas we go back to 91acn map for example?
Or is it safe to do what the person did with e44 with 91 octane running the 93 flex fuel octane map?
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The latter is fine. You have about 96 octane on E45 so plenty of overhead regardless if you mix with ACN91 or 93 with E85.