A gallon of E85 has ~72% of the energy that's in a gallon of gasoline, or stated another way, it takes 1.5 gallons of E85 to equal the energy in a gallon of gasoline. With that thinking it would seem to me that the jet for the fuel bar would be in the range of 1.5 times the orifice area that's called for on pure gasoline to match the "HP Shot" of NOx that you're using. That said, it will be interesting to see what the NOx guys say about E85. With the added timing that you run with E85 I would think that the whole energy equation would be different.