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Sunoco pump e85 vs Sunoco e-85r tunes?

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Old Sep 11, 2018, 04:20 PM
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Sunoco pump e85 vs Sunoco e-85r tunes?

Hi everyone, I’m in the process of having a flex fuel kit installed. Wanted to know if there is any difference in performance using race e-85 vs the pump e-85? Would a tune that is for pump e-85 work with e-85r?
Old Sep 11, 2018, 04:37 PM
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If it were me, i would just tune for regular pump E85. Sure, it would be nice to get the E85R but im sure there is a $$premium$$ for that

In my area, my station consistently puts out a close 85% based on my own testing

Regarding the tune, one could extend the tune parameters, a bit, if 85% could be relied on

The flex fuel kit opens up the E85 percentage ranges for the tune, so you should be pretty safe

Here's the Sonoco Ad for E85R
https://www.sunocoracefuels.com/fuel/e85-r

Last edited by MinusPrevious; Sep 11, 2018 at 04:42 PM.




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