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Go Back   Hummer Forums by Elcova > Hummer H2 Discussion Forums > Technical Discussion and Customizing your H2

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  #181  
Old 03-04-2006, 12:53 PM
NSANE NSANE is offline
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06 with 1200. miles. Sometimes I can get 12.7 around town, driving like a old fart but not my style. Most of the time 11.0 like everyone else.
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  #182  
Old 03-04-2006, 01:58 PM
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Albie Albie is offline
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you know if I baby it around I can almost get 10 mpg. I guess its the racer out of me that wants to race other big trucks.,.......LOL
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  #183  
Old 03-07-2006, 01:13 AM
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I usually say I get around 11 GALLONS to the mile. LOL

Averaging about 11.8 at 5,000+ miles. Just installed Corsa Sport exhaust today. Wonder what I'll get now?
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  #184  
Old 03-10-2006, 02:17 PM
bigolH2 bigolH2 is offline
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Albie, Ive got 38s, exhaust and a volant intake and I am barely gettin 9.9! Programmers on its way and that should help a little more! You!
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  #185  
Old 03-10-2006, 03:17 PM
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12.5 on our 2004. Both 2003's were a tick over 11.0. Not sure why since driving habits and routes were exactly the same. Did they do something in 2004 to make it better?
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  #186  
Old 03-14-2006, 06:42 PM
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2003 H2 35K Miles, Superchip, AirRaid, Borla Exh w/ resonators chopped off and straight dual 4" pipe from the muffler back, Stock tires and rims. Getting 8-9mpg city, 18-20 on the freeway if I avg 80-90mph. Go to and from SanDiego and Northern Cal at 80-100mph when I can, even with the trans in down shift mode because the accelerator pressed so far, and do the math on the calculator at the gas station, and it is religiously 18-20 mpg. Even pulling 2000 lbs of Jet Skiis at 70-75mph I still get 15mpg. Go Figure. I DO drive a bit aggressive in the city (I grew up driving in Boston) But on the freeway, I think it's because of the lack of backpressure with the resonators gone, the motor breathes real nice on the freeway. The truck LOVES to get out and run!
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  #187  
Old 03-15-2006, 05:44 PM
KMc KMc is offline
 
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12.0 with highway and off roading... not much city driving except freeways. Better then I thought when I bought it. Just as good as a whole lot of trucks and SUV'. SO THERE
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  #188  
Old 03-15-2006, 06:21 PM
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Huck BB62 Huck BB62 is offline
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Sure shows the physics of the problem. Our Denali gets 15 average and up to 19 on the highway. Barn door theory proven.
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