Quote:
Originally Posted by Slim415
I really want to go the E85 route as well. But I'm not sure I would always be able to get it. Question- can your fuel system adjust to pump gas if you can't get E85? Would you also have to change tunes at the gas station?
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I have a custom tune designed to run on E80 but that can change by about 30% each direction and still run decent. To drop to say E30 I would have to flash a new tune and scaled down my Port Injection but its not a big deal.
You can do a flex tune that can very from say E10 to E60.
If you can get it and your fuel system can handle it, I highly recommend running at least an E30 tune. More power and less timing corrections means the motor is running more efficient.