flex fuel tune jb4

  1. R

    Tune specific for "flex fuel"?

    The Shell station about a mile from my house just started selling 96 octane "flex fuel". The sign says it's 51%-83% ethanol and it's about 15 cents cheaper than regular unleaded. Is there a fuel map for the JB4 already setup for this grade of fuel? Maybe I'm not looking in the right places...
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