Quote:
Originally Posted by Fizz
How precise do i have to be when adding E85 to the tank? Worried about getting too much E85 in there and throwing thing out of whack. I'm not altering the tune to take advantage of the fuel, but simply to have a little more knock resistance...
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your aiming for an ethanol content of aprox 10% if its 5% or 15% its not a big problem fuel trims will easily cope with that level of variation.