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05-16-2008, 04:30 PM
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Hummer Veteran
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Join Date: May 2007
Posts: 227
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Re: Increased MPG
Do you have a hydrogen setup?
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2007 H3 Lux/Adv 5 speed, Gibson Extreme Duals cat-back, K&N FIPK, PCMforless tune, SAW torsion bars, Samco Shackles, Fox Racing shocks, Trail Duty Bump Stops, 35" ProComp Xterrain tires w/Tactical Rims, Gobi Stealth Rack
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05-18-2008, 07:13 PM
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Hummer Veteran
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Join Date: May 2007
Posts: 227
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Re: Increased MPG
Ebay seems to have dozens of people selling these kits in one form or another. It looks like a majority of them talk about the O2 sensor problem. Most recommend the spacer talked about above that will move the sensor further out of the exhaust flow. One of the guys talks about using the foil method that my brother mentioned to me. Still researching...
__________________
2007 H3 Lux/Adv 5 speed, Gibson Extreme Duals cat-back, K&N FIPK, PCMforless tune, SAW torsion bars, Samco Shackles, Fox Racing shocks, Trail Duty Bump Stops, 35" ProComp Xterrain tires w/Tactical Rims, Gobi Stealth Rack
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05-19-2008, 08:21 PM
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Hummer Novice
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Join Date: Sep 2006
Posts: 15
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Re: Increased MPG
i'm working with a guy to make one for his exterra (spelling). we'll see how it goes. if you have a wide band it should show rich appon intial introduction of the HHO, then the fuel trims should work to start leaning things out for you. if you have a scanner like hptuners like i have you could watch in real tim what th STFT (short term fuel trims) are doing then you would know for sure if it is working.
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05-20-2008, 12:06 AM
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Hummer Veteran
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Join Date: May 2007
Posts: 227
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Re: Increased MPG
You're not in the mid-atlantic area, are you?
I don't have the HPTuner, have been thinking about getting it...
__________________
2007 H3 Lux/Adv 5 speed, Gibson Extreme Duals cat-back, K&N FIPK, PCMforless tune, SAW torsion bars, Samco Shackles, Fox Racing shocks, Trail Duty Bump Stops, 35" ProComp Xterrain tires w/Tactical Rims, Gobi Stealth Rack
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05-21-2008, 05:33 PM
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Hummer Novice
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Join Date: Sep 2006
Posts: 15
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Re: Increased MPG
no, i'm in maryland.
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05-22-2008, 12:00 AM
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Hummer Veteran
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Join Date: May 2007
Posts: 227
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Re: Increased MPG
You're kidding. I live in south Carroll County and work in Howard. Where r u?
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2007 H3 Lux/Adv 5 speed, Gibson Extreme Duals cat-back, K&N FIPK, PCMforless tune, SAW torsion bars, Samco Shackles, Fox Racing shocks, Trail Duty Bump Stops, 35" ProComp Xterrain tires w/Tactical Rims, Gobi Stealth Rack
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06-26-2008, 01:37 AM
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Hummer Novice
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Join Date: Sep 2006
Posts: 15
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Re: Increased MPG
pax river navy base. sorry so long to reply been in afghanistan. there is a group near here that is real big into this and has intruction for free to build your own setup. or you can buy his parts for $170 and build it yourself or buy a built unit for $240.
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