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Black Bear Performance Tune on 2007 Yukon XL Denali
What improvments did you see. I have an 07 denali xl. Due to the decrease in fuel econmy. I am considering moving on despite how much I enjoy the truck and its power. It is stock and 13.5 mpg is about as high as I can get it short of a roadtrip which I seem to average around 16 mpg.- Nathan Ross
- Post #5
- Forum: Black Bear Performance
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Seems sluggish
07 Yukon XL Denali. 130k miles. Stock other than wheels and tires. Which are 285/45r22 Toyo Opencountry Q/T. Black rhino Mozambique rims. this summer the truck feel sluggish. Yes I know it’s a 7k brick on wheels. I feel it used to have more power. My mileage has drop from 13.5 to 12.2 mpg...- Nathan Ross
- Thread
- Replies: 5
- Forum: Engine & Drivetrain
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22" offset. Confused after searching
Seem to be quite a bit more though.- Nathan Ross
- Post #9
- Forum: Exterior
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22" offset. Confused after searching
38mm will be stockish and the 15mm will stick out most likely require a lift??- Nathan Ross
- Post #4
- Forum: Exterior
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22" offset. Confused after searching
i have searched and google and have not found a definitive answer. I am looking to purchase 22" KMC slides 651's in black. My truck is a stock 2007 GMC Yukon Denali xl. My questions are which offset. 15mm or 38mm and what size tire is suggested?- Nathan Ross
- Thread
- Replies: 20
- Forum: Exterior
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Looking at 08 Yukon 6.2 AWD need input
Did you have vibration issues. I have steered away from lifting my 07 any because I have read so much about vibrations and needing spcial drive shafts.- Nathan Ross
- Post #24
- Forum: General Discussion
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08 yukon mods with white
So no actual adhesives are used??- Nathan Ross
- Post #19
- Forum: Member Photos
