Tune...Suggestions Needed

Discussion in 'Performance' started by Christoph, Nov 22, 2019.

Sponsored By: Black Bear Performance
  1. Christoph

    Christoph Member

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    Okay, I'm looking for 'drive-ability' Tune for my '15 Yukon. I want to change the AFM (or delete it) and improve the transmission shift. That's it. Since it's out of warranty I won't have a need to change the Tune back.

    I've researched Black Bear and would love to have their tune but at $600...it's not feasible for a one time tune. (and they will not be doing any in-person tunes nearby) Plus I have no other use for an AutoCal once I get my Tune.

    What are some options that might be more reasonably priced?

    Thanks
     
  2. HiHoeSilver

    HiHoeSilver Away!

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    Blackbear is by far the best option.

    1. Unlimited re-tunes, not one time.
    2. You don't need the Autocal, you can borrow the hardware from them for logging.
     
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  3. Christoph

    Christoph Member

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    One of Black Bear's rep did not offer me that option when contacted them. He pushed the sell of an AutoCal . I'll check back with them.
     
    Last edited: Nov 23, 2019
  4. HiHoeSilver

    HiHoeSilver Away!

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    The autocal is cool because of the unlimited re-tunes if your mods will evolve.

    Scan cable tune is $350 along with a refundable deposit for the hardware.
     
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  5. Christoph

    Christoph Member

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    This sounds like what I'm looking for. I do not plan on doing any modifications in the future. I just want modify or delete the AFM and improve the shift points in the 6 speed.

    Also, does anyone know if there's much difference in the 87 vs 89 octane tune? This is a family car and has plenty of power in stock condition. I want to maximize fuel efficiency.
     
  6. HiHoeSilver

    HiHoeSilver Away!

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    Usually they will tune for 87/89 or 91+.
    I believe the difference is mainly timing related to avoid detonation with lower octane.

    I run the 87/89 tune in the winter and see better efficiency on top tier 89, for sure. In the summer, I like the 91+ tune on e85 or 93.

    Also tow/haul button for sport mode is fun. I asked Justin to give me one with tow mode, too, just in case. I can load it if I ever find myself in a spot where it would be useful.
     
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  7. PNW VietVet

    PNW VietVet Full Access Member

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    I was just talking to a close friend of mine last night and I am 475 miles from Black Bear Performance home base in Idaho. My friend and myself are going to schedule a tune at Black Bear and take a 3 day JOY RIDE. The trip back home should be fun.

    By the way, what does your owner's manual say for what octane fuel to run. I have tried 87 and then went to 89 and my MPG went up a bit.
     
    Last edited: Nov 23, 2019
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  8. Doubeleive

    Doubeleive Supporting Member

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    I recently found out they can't do the tow/haul button alternate function for anything above the 4 speed, too much other electronics involved with it now I guess like the downhill grade braking, etc.
     
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  9. HiHoeSilver

    HiHoeSilver Away!

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    Bummer.
     
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  10. Christoph

    Christoph Member

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    It says 87. The rig runs fine when it's a top tier 87 gasoline but I was thinking of going to 89 if it would make a difference in mileage.
     

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