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Running E85 tune, if available is E98 better or while on E85 tune?

Discussion in 'The Distillery' started by JCDriller, Aug 28, 2019.

  1. Aug 28, 2019 #1
    JCDriller

    JCDriller Well-Known Member Established Member

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    Kansas
    I occasionally have access to E98. My car is tuned for E85 by 04sleeper. Does a E98 blend or full tank provide me with any additional safety when combined with my E85 tune or will this just lead to it running a compromised A/F ratio? I'll likely do an E98 tune, but I have to straighten a few other items out first.

    Thanks!
     
  2. Aug 28, 2019 #2
    q6543

    q6543 Well-Known Member Established Member

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    midwest
    You'll go lean on E98, if tuned on e85.

    You'd be ok and rich if you went with E70
     
    SAC Man likes this.
  3. Aug 28, 2019 #3
    JCDriller

    JCDriller Well-Known Member Established Member

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    I was concerned about the quality of the ethanol dropping during the fall. I do have a tester kit on order, I'll mix in E98 as needed to keep it close to E85.

    Thanks!
     
  4. Sep 2, 2019 #4
    04sleeper

    04sleeper Runs On "Liquid Gold" Staff Member Super Moderator

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    You are fine. Even on E70 it will be fine. No need to mix anything.
     
    me32 likes this.

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