Can you mix E85 and 91?

By blending pump premium (or 91 if you like) with E85, you can create a custom blend of high-octane fuel.

Is it bad to mix E85 with 93?

Your “E42. 5” mix might not be as immediately corrosive as E85, but over time you’ll have the same problems. Replacing those problem pieces is the only way to be sure that mixing the two is not a problem, and even then your mileage will suffer thanks to the lower energy density of ethanol.

Can you mix E85 with race fuel?

Mix, say 50/50 with race fuel and e85 (or some volume that allows the mix to be very consistent. C. Buy the bigger injectors and keep running E85.

How do you get 93 octane with E85?

FWIW, about 2 gallons E85 with 10 gallons 91 will give you 92 octane. 3 gallons of E85 and 9 gallons 91 will yield 93 octane. (Assuming the 91 is 10% ethanol).

What happens when you mix E85 with race gas?

While it might seem that blending fuels for octane would be a straight percentage mix like with gasoline, E85 works a little differently. If we blend 5 gallons of 91-octane gas with 5 gallons of 100-octane race gas (both unleaded) the result is 10 gallons of 95.5 octane gasoline.

What happens when you mix 91 octane gas with ethanol?

If we blend 5 gallons of 91-octane gas with 5 gallons of 100-octane race gas (both unleaded) the result is 10 gallons of 95.5 octane gasoline. Ethanol’s blending relationship, however, enjoys a little-known advantage. Small blend percentages, like E30, have a much greater impact on octane rating.

Which is the correct octane rating for E85?

The octane of E85 can be from 100 to 105 or so. It is not a straight change with the addition of gasoline. It is suggested that 100 octane be used for E85 in this calculator to give a more accurate octane rating when mixed (diluted) with gasoline.

Where can I find ethanol fueling stations in the US?

Find ethanol (E85) fueling stations in the United States and Canada. For Canadian stations in French, see Natural Resources Canada. Loading alternative fueling station locator… Please enable JavaScript to view the alternative fueling station locator. More in This Section Infrastructure Development More on Ethanol Fuel Ethanol Basics