Quote:
Originally Posted by stratman2SSRS
Has anybody tested the E85 at the Speedway gas station to see if it actually comes out at 85% lately?
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I doubt you would see 85% anywhere, unless they blended it wrong.
87 octane gas is blended in at 15 to 30%, depending on weather. There are also other additives. So, if they went with a summer blend min of 15% 87, and you ended up testing at 85% ethanol... means they skipped the other additives. I think 83 is about the highest most will see at a summer E85 pump.
The racing E85s are more consistent, blended with race gas instead of 87 and ending up at 112 octane.