Black bear tune and emissions question

Discussion in 'Performance' started by Akinshake, May 30, 2019.

Sponsored By: Black Bear Performance
  1. Akinshake

    Akinshake Member

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    hello all,

    Just bought a new to me 2016 Yukon Xl Denali. I have been cruising the forum for sometime now and researching all the upgrades that I want to do.

    I live in Nashville Tn and we have annual emissions testing but I really want a black bear tune after reading everything on here and talking with black bear but I don’t know if it is going to effect emissions or not. I have a v2 tuner so I can always flash back to pass but I wanted to reach out to the community to see what if any your first hand experience with this is. Thanks in advance.
     
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  2. gat0r

    gat0r Full Access Member

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    im in TX & havent had an issue.
    i just leave the tune on.
     
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  3. willthom

    willthom Full Access Member

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    Only cost you $9 and a few minutes to check it and see
     
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  4. 08HoeCD

    08HoeCD Full Access Member

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    The BBP tune will not negatively impact your emissions testing results.
     
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  5. adventurenali92

    adventurenali92 Full Access Member

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    X2! I live in California. The strictest state for emissions. My truck is Blackbear tuned and it passes smog every other year with no problem.
     
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  6. Rocket Man

    Rocket Man Build It Better Supporting Member

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    I have emissions testing here in Oregon and am running a cammed 6.0 with a Whipple blower and open headers with the downstream O2 sensors tuned out by BB and it passes emissions fine.
     
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  7. Akinshake

    Akinshake Member

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    Thank you all for your responses. When thinking about the system and how it operates, I didn’t think that the tune would effect it, but just wanted to be sure before I did anything. I am excited about tuning it. I am going to run a few more tanks of fuel through it before I do it though. Just to have a good before and after comparison. My first tank was from the dealer and I’m assuming they just filled it with 87 octane. 55mph average on first tank and 21.8mpg. I don’t drive it much since I have a company vehicle but I’m dead set on the tune and excited.
     
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  8. Charles Tindall

    Charles Tindall TYF Newbie

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    Let us know when you do your tune & how you like it! Im lucky & live in a state that doesnt even care if you have open exhaust. We don't even have inspection stickers anymore.
     
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  9. tdriver113

    tdriver113 Member

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    I'm running 92+ octane tune from BlackBear and getting about 16 to 17 Mpg around town if I am careful. Unfortunately after a cold air intake install, my foot has developed a bit of lead in it........
     
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  10. Rocket Man

    Rocket Man Build It Better Supporting Member

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    Hard to be careful after a tune period. You just wanna mash it lol.
     
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