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08-16-2011, 06:49 AM
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Hummer Novice
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Join Date: Jul 2010
Posts: 19
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Re: Increase mpg easy
Keep watching, the truck's mpg calculator is slow. You can manually check for quicker results. What was your emissions retest? Thats why I sent you the SF28 to check emissions.
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08-16-2011, 06:49 AM
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Hummer Novice
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Join Date: Jul 2010
Posts: 19
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Re: Increase mpg easy
My mpg is 13.1 and climbing.
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08-16-2011, 02:51 PM
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Hummer Authority
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Join Date: Jan 2008
Location: Gaithersburg, MD
Posts: 1,763
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Re: Increase mpg easy
Quote:
Originally Posted by starkey188
Keep watching, the truck's mpg calculator is slow. You can manually check for quicker results. What was your emissions retest? Thats why I sent you the SF28 to check emissions.
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I have been checking the last six tanks manually; the three prior to the installation and the three since the installation.
I am currently on my fourth tank since the installation and will be filling up this evening, so I'll have another set of results to post. I'll do another emissions test this Saturday and post the results as well...as that was part of our agreement. But to be honest (and I think I speak for most of this forum) I wouldn't pay money for this if the only positive result was 'lower emissions' especially since I've seen how low the truck blows already. It would have to post some MPG results for me to come out of pocket with the George Washingtons.
I'm also going to leave the unit attached and see if there are any long term MPG results (posting back here and there) and also to see my dealer's reaction when he finds it on top of the tank...that'll be funny.
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08-17-2011, 06:06 PM
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Hummer Authority
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Join Date: Jan 2008
Location: Gaithersburg, MD
Posts: 1,763
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Re: Increase mpg easy
Tank 4: 11.1
Quote:
Originally Posted by starkey188
My mpg is 13.1 and climbing.
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Must be that dry heat...
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08-18-2011, 05:10 PM
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Hummer Novice
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Join Date: Jul 2010
Posts: 19
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Re: Increase mpg easy
Something isn't right, your mpg is all over the place. Does your computer agree with your calcs? Reset your truck's mpg calculator and watch it, over time it should increase. Something else to consider is your driving habits, are you driving basicly the same conditions or are you pulling trailers or city driving vs highway etc ? All things to consider. Possible you got a bad batch but this has ALLWAYS work with positive results. Thanks for the testing by the way.
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08-18-2011, 05:41 PM
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Hummer Authority
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Join Date: Jan 2008
Location: Gaithersburg, MD
Posts: 1,763
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Re: Increase mpg easy
I wouldn't say it's 'all over the place'...LOL. It's within .6 across the board. Any abnormalities in my typical driving habits for each tank have been outlined in my posts. These last four tanks have been very 'vanilla.'. No AC, no towing, no unusual trips, speeds or changes in gas types.
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08-19-2011, 12:12 PM
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Hummer Novice
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Join Date: Apr 2009
Posts: 23
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Re: Increase mpg easy
Starting tomorrow, I am putting rabbit eggs in my fuel tank.
I expect a 100% increase in my MPG. 
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08-21-2011, 01:02 AM
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Hummer Authority
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Join Date: Jan 2008
Location: Gaithersburg, MD
Posts: 1,763
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Re: Increase mpg easy
Tank 5: 11.0
Today's Emissions Readings:
HC(ppm): 6 (MD state standards: 100)
CO%: 0.01 (MD state standards: 0.75)
The emissions are the same as before. Maybe I've got a bad batch of moon rocks?! Houston, we have a problem. LOL.
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