Just get a tune from Blackbear and get that power back and then some.
What did you do to your NBS GMT800 Tahoe/Yukon Today?
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2003FatSo
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Interesting... Tell me more
There are several options for having a custom tune installed on your ECM by BlackBear Performance. Our engines and transmissions are severely "de-tuned" from the factory and you'd be surprised how much power a simple tune can gain you, as well as firmer and faster shifts. OK peeps, those of us with tunes from BlackBear, tell him! I went with the AutoCal option which allows me to change tunes myself. Any time I make a change to my truck or I want to modify my tune, BB can email me a new tune file and I can install it myself using the Autocal. I can honestly say it really woke my truck up, probably a 20 HP gain and my shifting is so much more crisp. They also adjusted my speedo for my 26" rims. They have less expensive options also, and all their tunes come with lifetime upgrades. Check them out a www.blackbearperformance.com. They're highly recommended here.
MadDogDelpho
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I'm just concerned about how much it would cost
MadDogDelpho
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In the mean time, however, I installed the leds in my dash!
Fosscore
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Love that blue LED cluster!!
Countryboy07
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I'm getting an in person tune in April from black bear, and it is $340. If they're coming to a city near you, it is a great option!
It's the cheapest horsepower you can buy actually. Anything that nets anywhere near it will cost at least a thousand or more.
Fosscore
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I had an in person tune with Justin about 2 years ago now on my Tahoe.
I can echo all of what Red Rocket has said. My 1-2 shift points are firm, my WOT RPM was increased, speedo adjusted and tow/haul button for a little more sporty drive through the gears.
Now I will never match the Denali power with my 4.8, but when I stomp on it she downshifts and takes off for a land yacht. Lol
She is a lot more fun to drive, hence the decrease in mpg's.
Glad I had it done. I do not have the AutoCal, but is a great option to change the tune parameters to satisfy your requirements.
In person tune last I remembered was around $300 and I drove 3.5 hrs one way to get it done. Of course tied it in with a family trip to Disney World so that was a win-win.
I can echo all of what Red Rocket has said. My 1-2 shift points are firm, my WOT RPM was increased, speedo adjusted and tow/haul button for a little more sporty drive through the gears.
Now I will never match the Denali power with my 4.8, but when I stomp on it she downshifts and takes off for a land yacht. Lol
She is a lot more fun to drive, hence the decrease in mpg's.
Glad I had it done. I do not have the AutoCal, but is a great option to change the tune parameters to satisfy your requirements.
In person tune last I remembered was around $300 and I drove 3.5 hrs one way to get it done. Of course tied it in with a family trip to Disney World so that was a win-win.
MadDogDelpho
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Sounds like a good idea once I get some money over the summer.
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