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12-08-2006, 07:19 PM
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Hummer Veteran
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Join Date: Dec 2006
Location: Livermore, CA
Posts: 60
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Gas mileage improve?
Is anyone out there getting better than 11 MPH? I've got an Airaid intake but it didn't boost mileage any. Doesn't seem to matter if I go 55 mph freeway or 85, I get the same 11 mph. Around town is about the same. Anyone...anyone??
__________________
2003 H2 Lux series, Pewter (I know...non-color) Airaid intake system, Granitelli MAF, Hypertech III programmer, sun roof, brush guard, a little billet bling, air suspension, 37x13.5x17 Toyo M/T's on stock chrome rims, 06 mirrors, like to get a 6" Fabtech lift but couldn't get it in the garage, other than that...pretty much stock.
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12-08-2006, 07:23 PM
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Hummer Veteran
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Join Date: Nov 2006
Posts: 33
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Re: Gas mileage improve?
same ol 12.5 45 or 95 still stock, was wondering about all the hipe from the air intake and exhaust mod boys  .
Be Safe
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12-08-2006, 07:29 PM
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Hummer Veteran
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Join Date: Dec 2006
Location: Livermore, CA
Posts: 60
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Re: Gas mileage improve?
I'd love to get 12.5! I just put 37x13.5x17 Toyo M/T's on and I fear my mileage is about to get worse.
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2003 H2 Lux series, Pewter (I know...non-color) Airaid intake system, Granitelli MAF, Hypertech III programmer, sun roof, brush guard, a little billet bling, air suspension, 37x13.5x17 Toyo M/T's on stock chrome rims, 06 mirrors, like to get a 6" Fabtech lift but couldn't get it in the garage, other than that...pretty much stock.
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12-08-2006, 07:41 PM
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Hummer Expert
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Join Date: Jul 2005
Location: Denver, Colorado
Posts: 560
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Re: Gas mileage improve?
This isnt meant to sound mean... but you are drinving a 8600 lb truck with a full time 4WD system... What were you expecting for gas milage?
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12-09-2006, 01:00 AM
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Hummer Professional
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Join Date: May 2006
Location: las vegas
Posts: 301
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Re: Gas mileage improve?
my mpg went from 11.5 to 9.2 when i put the 38.5" on. i put the intake on and didnt do anything. maybe the catback flowmaster exhaust might do something...but no biggie. its a big truck with big tires.
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scott j.
2008 h2 sut
2008 escalade
1969 charger
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12-09-2006, 06:26 AM
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Hummer Professional
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Join Date: Sep 2006
Posts: 497
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Re: Gas mileage improve?
I'm getting 19.3 litres per 100kms, now that sounds a whole hell of a lot better than 11mpg --thats what I like about the metric system over here --I just tell people I think I'm gettin 20 somethin and nobody knows the diff. Ain't metrics great we don't know what ta hell the temperature is we don't know **** about mileage and we don't give a **** about weight cause its in some weird kilograms. Regards THe Rebel
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H2 REBEL lennyrebel
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12-09-2006, 06:51 AM
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Hummer Guru
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Join Date: Oct 2005
Location: I CAN BARELY SEE THE ROAD...
Posts: 4,624
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Re: Gas mileage improve?
11.2 with a heavy foot in town and 85-95 freeway! 55-65 is the sweet spot for mileage on the freeway....but time is money and driving doesn't pay the bills. 
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Black Sheep Hummer Squadron
( CenCal Chapter - Me, Myself, and I )
"OBAMA......Making Jimmy Carter LOOK GOOD!"
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12-09-2006, 07:11 AM
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Elcova Newbie
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Join Date: Dec 2006
Posts: 3
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Re: Gas mileage improve?
royal purple lubricants, www.royalpurple.com
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12-10-2006, 01:31 AM
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Hummer Veteran
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Join Date: Jul 2006
Posts: 216
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Re: Gas mileage improve?
Quote:
Originally Posted by ZigsRig
you are drinving a 8600 lb truck
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This inaccuracy drives me nuts! 
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MINE - 2006 H2 SUT
Black/Ebony, Lux, Air, DVD, Nav, 6" Fabtech Lift, 4.88 gears, 20x12 Weld Cheyenne 8's, 38x15.50 Toyo M/T's, Flowmaster cat-back, Hypertech Programmer, Airaid intake, Sirius tuner, IPOD adapter, Silverstars, Bike carriers, some Billet stuff.
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12-10-2006, 01:34 AM
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Hummer Veteran
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Join Date: Jul 2006
Posts: 216
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Re: Gas mileage improve?
__________________
MINE - 2006 H2 SUT
Black/Ebony, Lux, Air, DVD, Nav, 6" Fabtech Lift, 4.88 gears, 20x12 Weld Cheyenne 8's, 38x15.50 Toyo M/T's, Flowmaster cat-back, Hypertech Programmer, Airaid intake, Sirius tuner, IPOD adapter, Silverstars, Bike carriers, some Billet stuff.
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12-10-2006, 02:29 AM
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Hummer Authority
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Join Date: Nov 2005
Location: Deepest Darkest Depths of........
Posts: 1,684
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Re: Gas mileage improve?
The only way to improve gas mileage is to not drive it. There are a couple of things that you can do to possibly get 12-13 but larger tires is not one of them. For the most part you are only going to be able 9-13 depending on what modifications you have done, how you drive (floor it from a light, stop sign, ease into the accelerator), your driving conditions (hills, traffic, highway) it all plays a part in it.
__________________
2006 H2 w/6 inch lift.
2001 F-350 w/10 inch lift
2013 Jeep Wrangler w/6 inch lift
2013 Victory Cross Country
2006 Suzuki Hayabusa
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12-10-2006, 10:42 AM
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Hummer Veteran
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Join Date: Dec 2006
Location: Livermore, CA
Posts: 60
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Re: Gas mileage improve?
Quote:
Originally Posted by ASTAR
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Astar,I see you have the locking gas door too. Just in case some Hummer hater ass@#$% doesn't believe the hybrid emblem and puts sugar in the tank?
JD
__________________
2003 H2 Lux series, Pewter (I know...non-color) Airaid intake system, Granitelli MAF, Hypertech III programmer, sun roof, brush guard, a little billet bling, air suspension, 37x13.5x17 Toyo M/T's on stock chrome rims, 06 mirrors, like to get a 6" Fabtech lift but couldn't get it in the garage, other than that...pretty much stock.
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12-10-2006, 10:46 AM
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Hummer Veteran
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Join Date: Dec 2006
Location: Livermore, CA
Posts: 60
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Re: Gas mileage improve?
Quote:
Originally Posted by lasvegash2
my mpg went from 11.5 to 9.2 when i put the 38.5" on. i put the intake on and didnt do anything. maybe the catback flowmaster exhaust might do something...but no biggie. its a big truck with big tires.
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I'm going to try the exhaust system and the Hypertech programmer and see what happens. It sure feels sluggish with the bigger tires too.
__________________
2003 H2 Lux series, Pewter (I know...non-color) Airaid intake system, Granitelli MAF, Hypertech III programmer, sun roof, brush guard, a little billet bling, air suspension, 37x13.5x17 Toyo M/T's on stock chrome rims, 06 mirrors, like to get a 6" Fabtech lift but couldn't get it in the garage, other than that...pretty much stock.
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12-10-2006, 05:21 PM
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Hummer Professional
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Join Date: Dec 2004
Location: 2 clicks north of Houston
Posts: 412
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Re: Gas mileage improve?
Quote:
Originally Posted by JDLarue
I'm going to try the exhaust system and the Hypertech programmer and see what happens. It sure feels sluggish with the bigger tires too.
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So much for paying attention. Go buy a Turbonator/Spiralmax/Shredded Beercan for the best milage improvement. Or just pull 4 ignition wires so you to can have the Caddys displacement on demand.
__________________
Had-94,96,98,99 Cobra Stang,99 Navigator,03 Expy, 05 H2
Have-08 Titan C/C,06 GCSRT-425FTLB & AWD, other junk..
Want-08 Viper, 06 M5
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12-12-2006, 12:15 AM
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Hummer Authority
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Join Date: Aug 2003
Location: San Antonio
Posts: 1,635
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Re: Gas mileage improve?
I get 21 MPG on my 03 H2...wanna know how?
Send $5.00 cash. PM me and I'll give you my address.
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People Who Annoy Me...NAGGERS
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12-12-2006, 12:46 AM
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Hummer Veteran
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Join Date: Dec 2006
Location: Livermore, CA
Posts: 60
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Re: Gas mileage improve?
Oh yeah, I'll get that five-r in the mail right away. Do me a favor...hold your breath huh? 
__________________
2003 H2 Lux series, Pewter (I know...non-color) Airaid intake system, Granitelli MAF, Hypertech III programmer, sun roof, brush guard, a little billet bling, air suspension, 37x13.5x17 Toyo M/T's on stock chrome rims, 06 mirrors, like to get a 6" Fabtech lift but couldn't get it in the garage, other than that...pretty much stock.
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12-12-2006, 01:59 PM
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Hummer Authority
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Join Date: Aug 2003
Location: San Antonio
Posts: 1,635
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Re: Gas mileage improve?
Lame? No, whats  is some rookie coming in here and asking about gas mileage. Hint, use the "SEARCH" feature. I think you will see that this topic has been covered 1 or 2000000 times before.
Also may want to go to a dictionary and look up the word SARCASM.
Now, send me $5.00 and I'll tell you how to get 28mpg +.
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People Who Annoy Me...NAGGERS
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12-12-2006, 02:42 PM
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Hummer Veteran
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Join Date: Nov 2006
Posts: 33
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Re: Gas mileage improve?
OK Boys play nice now,
Send me $10.00 and I'll tell ya how to get 6 mph
Be Safe
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12-12-2006, 03:39 PM
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Hummer Authority
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Join Date: Oct 2004
Location: Houston, TX
Posts: 1,290
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Re: Gas mileage improve?
Quote:
Originally Posted by lasvegash2
my mpg went from 11.5 to 9.2 when i put the 38.5" on. i put the intake on and didnt do anything.
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Got ya beat, mine went from 11.5 to 9.4 when I put the 37" tires and 18x10 wheels on. LOL
Speaking of intakes, I'd bought the Air Raid kit from someone here even though I knew it wouldn't do $hit, at least not anything I'd be able to notice except for maybe increased intake noise. I was halfway through installing it when I got frustrated with trying to fit the damn gasket along the top edge. I ripped everything back out, placed the entire kit behind my left rear tire, and proceeded to flatten the crap out of it so it'd fit nicely in the garbage can. 
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12-12-2006, 05:24 PM
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Hummer Professional
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Join Date: Aug 2006
Location: Dallas, TX
Posts: 398
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Re: Gas mileage improve?
Quote:
Originally Posted by TXSUT
Speaking of intakes, I'd bought the Air Raid kit from someone here even though I knew it wouldn't do $hit, at least not anything I'd be able to notice except for maybe increased intake noise. I was halfway through installing it when I got frustrated with trying to fit the damn gasket along the top edge. I ripped everything back out, placed the entire kit behind my left rear tire, and proceeded to flatten the crap out of it so it'd fit nicely in the garbage can. 
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LOL!!

__________________
2006 Twilight Maroon H2, Procomp 6001 rims, 35" X 12.5 X 17 Xterrain tires, Ram over-the-hood brush guard, Jet Stage I, Warn 9.5 winch and winch bumper, Hedman Headers, K&N Air charger, Lightforce driving lights, a little CHROME for good measure
2006 Victory Red H3 (The Titanic), R.I.P. - It didn't float
1968 Mustang GT convertible
2005 Harley Davidson Hertitage Softail, Stage I, Vance and Hines Big Shot Longs - Sold
2004 Jaguar S-Type (the wifemobile)
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