2011 Yukon..Bully dog BDX E85 tunes?

[swathdiver]

The highest alcohol % I've seen was 83

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Any higher and it'd have to be E85R, race gas! Cool.

 

[BlackBearPerf]

I’ve got a 2011 Yukon that I’m strictly running E85. I have a bully dog BDX tuner and it doesn’t have an E85 setting. Is there anyone that can work with this to make me a custom E85 tune?

Welcome to the forum. We do not have a specific E85 tune but we will provide tunes for 89/87 and 91+ octane. As long as you are flex fuel capable you will be able to run E85 on both of them. We see more power running E85 with the 91+ octane tune. We use EFILive exclusively for tuning though, so it would not be compatible with the Bully Dog.