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Gains from E85 (ethanol) on an N/A bolt on 370Z

Originally Posted by VitViper Not bad at all for just changing fuel and minor retuning. In fact, I saw more gains with the fuel than I did with all the

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Old 09-21-2015, 09:45 PM   #1 (permalink)
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Not bad at all for just changing fuel and minor retuning. In fact, I saw more gains with the fuel than I did with all the work and money spent on the Stillen intakes on the car. This was also done with stock injectors and a stock pump -- worked perfectly fine, holds a clean AFR all the way to fuel cut (7800 rpm). Fuel economy while cruising on the freeway at 75mph was actually the same if not 1-2mpg better than pump gas. Go figure.
Sorry, but there is absolutely no way that your car gets better gas mileage with E85 over E15 or less pump gas.
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Old 09-21-2015, 10:31 PM   #2 (permalink)
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Sorry, but there is absolutely no way that your car gets better gas mileage with E85 over E15 or less pump gas.

Right, doesn't e85 usually result in a pretty substantial drop in mileage? It's about 30% less energy by volume than pump gas and that's why you need more volume than pump, right?
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Old 09-21-2015, 11:02 PM   #3 (permalink)
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Right, doesn't e85 usually result in a pretty substantial drop in mileage? It's about 30% less energy by volume than pump gas and that's why you need more volume than pump, right?
Per my tuner its 33%. This is why i was able to install GTR injectors and drive without issue on e85! At a rough guess of 14% rich that was in the clear to get to him 40 minutes away on the highway and side streets without so much as even a hickup.

FYI to anyone needing to install injectors at home and drive to your tuner.
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