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Is It Worth Replacing High-Mileage Injectors?
Wondering what the consensus is here on the forum about fuel injectors needing replacing, cleaning, or rebuilding after putting lots of miles on them. I have 375k miles on my truck and I'm not sure whether the injectors are original or have been replaced at some point. I did a 6.0L swap into...- squeeler642
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- fuel injector fuel injector wear maintenance mpg
- Replies: 6
- Forum: Engine & Drivetrain
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MPG & Power Increase? 2001 model
Hey Gang, I'm brand new to the forum & brand new to owning a Tahoe. However, I've had a Chevy since I was 16, & now I'm old (ish). Just sold my 04 Silverado & finally got a Tahoe. Always wanted one. This is a 2001 LS w/ only 139k Original Miles. Obviously, I'd like a little more pep from the...- ChazLS
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- 2001 tahoe more horsepower mpg
- Replies: 16
- Forum: Performance
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6.0 Cam MPG Feedback Needed
Like many others, I'm thinking about a cam swap. However, I'm looking for a piece of info I haven't really seen anyone talk about - MPG... I'm about to do a BB tune, and like many projects, it seems to be suffering from scope creep. I'd like to do a cam eventually, so I'm seriously...- 02Yukon2500
- Thread
- 6.0 cam swap lq4 mpg
- Replies: 9
- Forum: Performance
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My new to me 2018 Yukon Denali Ultimate
2 months ago I purchased a low mileage 2018 Yukon Denali Ultimate. Since then I have put 5,700 miles on it with an overall average of 20.5mpg. 125 miles ago I installed a 91 performance tune and turned off AFM using a Flashpaq F5. So far my mileage is at 22.3. Near plan is to do a full...- MrMonte
- Thread
- 2018 denali flashpaq mpg ultimate yukon
- Replies: 4
- Forum: Introduction
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Fuel range dramatic change
So I took a trip to Arizona from California my 18 premium hoe drove excellent! However I noticed something very interesting. Here in California just 20mi North of Los Angeles when I fill up my tank to fill the highest fuel range I get is 350 +/- Mi However in Arizona I was seeing 470+/- Mi...- Ghost10
- Thread
- 2018 tahoe premier gas mileage miles mpg
- Replies: 19
- Forum: Engine & Drivetrain
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MPG tips
I want to keep this MPG up on my 05 Denali XL, keeping the Spectre air filter clean, knock off cold air intake tube. So far so good. Oh yeah, the tire preassure sensors suck!! Lol- DenaliReyes
- Thread
- 2005 denali xl mpg
- Replies: 57
- Forum: Performance
