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Go Back   Hummer Forums by Elcova > Hummer H2 Discussion Forums > General H2 Discussion

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  #1  
Old 06-14-2012, 05:24 PM
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NJ H2 NJ H2 is offline
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Default Re: Amazing

I get like 10 MPG if I'm lucky
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  #2  
Old 06-14-2012, 05:42 PM
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Default Re: Amazing

12.8 is respectable, and i woudl say very believable.. more so with a 6 spd tranny than the 4 spd one...

the biggest culprit is driving hablits...
if you have a lead foot, your MPG is going to suck. if your a conservative drive, it will obviously be better than most.

but there is only a certian amount that the H2 is going to get mpg..

even if you are going down hill coasting all the time... well at some point you have to go uphill too...

i think there was a article here or maybe i read it somewhere else about extreme driving habits.. like in popping it in nuetral when going down hills and such, and drafting other vehicles....

i could see if you drove a H2 that would be understandable...crazy... but understandable... but it is a major change in driving habits from what i rememeber reading..

i swear, when this motor finally craps out and i do a engine swap... or if i can find a 6sp cheap, im switching over...

bone stock, the 6spd is rated for 600 HP, but i think i would still upgrade it some more..

the t-case... i have no idea... not sure what its rated for....
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Old 06-14-2012, 09:03 PM
slippy slippy is offline
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Default Re: Amazing

while going down a mountian in second gear with no throttle i reset the DIC to check my mpg at the moment....99mpg

about 10 minutes later i hit flat ground and it went back to 10-12mpg.
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Old 06-14-2012, 09:15 PM
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Default Re: Amazing

15-16 mpg avg. city and highway... bone stock...soon i'll be installing 38x13.50x18 toyo open country mt with kmc rockstar...i guess i have to be ready for 14-15mpg .
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Old 06-14-2012, 09:37 PM
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Default Re: Amazing

Citiboy, you'll be lucky to get 10mpg with 38's. The best I've seen is 12.7 between fill ups. That's doing the math, not trusting the DIC. We have Hummers. Why are we talking about gas mileage anyway? We all know it sucks
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Old 06-14-2012, 09:39 PM
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Default Re: Amazing

I easily got 15 while stock. It's not uncommon.
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Old 06-15-2012, 12:59 AM
twinmill28 twinmill28 is offline
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Default Re: Amazing

I call BS---I've got a lead foot and can't claim mileage. But my wife drives like an old lady and has only ever pulled 12 on a tank after multiple tries. I can't see it getting 3mpg better than that "easily".
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Old 06-15-2012, 01:47 AM
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Default Re: Amazing

Quote:
Originally Posted by devilsfan
I easily got 15 while stock. It's not uncommon.

MAYBE an 08/09 truck, with stock tires, and a very light foot on the pedal.

Stock my 04 was right in the 12.5 or so range, on a mostly highway trip I could get around 14.5 +/- assuming there was no wind.

With 37's and a Hypertech Max Energy I'm at 10.8, that's about 30% highway, 70% city. Without the tuner, and on 37's I was in the high 8.something low 9 range. Although, within the last couple of months I've turned off the DIC all together and just drive the thing, there's no point in obsessing about it.

There was a time, a couple of smart phones ago, that I had a photo of something like 26 mpg (instant) at 75 mph! ... of course that was in about a 30 MPH tail wind and down hill!
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Last edited by seventwozero : 06-15-2012 at 01:51 AM.
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