07 yukon denali xl

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jnjhelms

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Just wondering how many ppl have done the black bear tune on an 07 gmc yukon denali xl with the 6.2 ? How much extra did it give you ? Any downsides?
 

JennaBear

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We have done plenty of 07+ 6.2L Yukons, including owning one ourselves.

One major thing, with that engine, you need to be running 89+ octane even on stock tuning; higher compression dictates that.
 
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jnjhelms

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What can I expect from the black bear tune how much hp and torque? And will it improve mpgs any?
 

JennaBear

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Typical results are 15-20hp, 1-2mpg, and much improved shift patterns and throttle response.

Sent from an ice cream sammich.
 

Sup3rfly

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Same boat. Getting air filter kit and chip. Anything else under 500 I should put in before getting the BB tune?

I am in Canada but visit Florida regularly, can you guys service my vehicle?
 

Sup3rfly

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2007 Yukon denali xl 6.2

People in other posts say don't bother with a chip just get the tune?
 

JennaBear

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Not sure what you are referring to as a chip, GM stopped using chips in 95, and now use full computer I OSs.

Sent from an ice cream sammich.
 

2008TBSS

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Jenna, can I still tow my 3k lb boat after I get my yukon xl 6.2L tuned ? Thanks
 

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