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· Super Moderator
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Some notes:

if either of the two results are negative it signifies that there is not enough room in your fuel tank to reach your desired ethanol concentration given the current concentration of e85 available to you. In this situation, run the tank lower before filling up.

The spreadsheet is designed to work with the fuel level input monitor available on the cobb AP, I made it this way to discourage people from using the dashboard fuel gauge as it is extremely inaccurate.

You can use this with other cars by changing the fuel tank size. (focus st is 12.2 gallons)

Thought ST was 12.4?
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