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10-06-2008, 05:22 PM
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Hummer Professional
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Join Date: Sep 2008
Location: New Hampshire
Posts: 309
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Re: 3.7L 5 Cylinder vs.........
Quote:
Originally Posted by RubHer Yellow Ducky
I think the future will show the I-5 is and was a great engine !
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I will definitely be finding this out. i plan on keeping my new h3 for a very long time. i'm also gonna get an h2 as soon as i can. 
__________________
2008 H3
Predator HD Brush Guard/ K&N 63 Aircharger Intake/ GM Roof Racks/ Garmin GPS/ GM Tubular Steps/ Royal Purple Synthetic Motor Oil/ Realwheels Hood Handles
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10-06-2008, 10:51 PM
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Hummer Guru
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Join Date: Dec 2006
Posts: 2,195
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Re: 3.7L 5 Cylinder vs.........
i think with gas situations there not gonna consider getting rid of this engine.
__________________
2003 H1 HMCS: Ocean Blue Metallic, Grey Leather Interior
2010 H3 Alpha: Canyon Metallic, Cashmere Interior
2017 VW Jetta S
2012 Cessna 182T Skylane
used to have: 2007 base H3 Slate Blue
/''T''|[___|___]
[---T--L -OlllllllO-]
()_)"""()_)/"**"\)_)
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10-07-2008, 04:03 AM
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Hummer Novice
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Join Date: Oct 2008
Location: Fort Mohave, Az
Posts: 17
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Re: 3.7L 5 Cylinder vs.........
Well i stuck on a K&N filter, Jet Tbody spacer, Jet performance chip and a Gibson side exit exhaust. I have noticed a decent power increase, really improved throttle response and my im figure'n out my milage this week. So ill let you know how that goes. Maybe you should give those a try.
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10-07-2008, 02:05 PM
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Hummer Guru
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Join Date: Dec 2005
Location: In a FREE U.S.A. where Marxism, Socialism & Communism is not allowed !
Posts: 5,485
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Re: 3.7L 5 Cylinder vs.........
Quote:
Originally Posted by danielf
Well i stuck on a K&N filter, Jet Tbody spacer, Jet performance chip and a Gibson side exit exhaust. I have noticed a decent power increase, really improved throttle response and my im figure'n out my milage this week. So ill let you know how that goes. Maybe you should give those a try.
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How about some photos of the side exhaust !!!
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REMEMBER
History, be it in 1 Year, 10 Years, a Hundred Years or One Thousand, will show that those people who voted for John McCain in the United States Presidental Election of 2008 were true patriots...
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10-07-2008, 05:02 PM
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Hummer Professional
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Join Date: Sep 2008
Location: New Hampshire
Posts: 309
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Re: 3.7L 5 Cylinder vs.........
Quote:
Originally Posted by RubHer Yellow Ducky
How about some photos of the side exhaust !!!
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I second that!
__________________
2008 H3
Predator HD Brush Guard/ K&N 63 Aircharger Intake/ GM Roof Racks/ Garmin GPS/ GM Tubular Steps/ Royal Purple Synthetic Motor Oil/ Realwheels Hood Handles
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10-14-2008, 07:52 PM
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Hummer Veteran
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Join Date: Sep 2006
Posts: 100
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Re: 3.7L 5 Cylinder vs.........
You can always slap one of these puppies on for some power! Turbo Charger guaranteed 125 HP for the 3.5 and the 3.7L

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07 H3/ Slate Blue/ Adventure Package
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10-14-2008, 09:22 PM
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Hummer Guru
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Join Date: Dec 2005
Location: In a FREE U.S.A. where Marxism, Socialism & Communism is not allowed !
Posts: 5,485
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Re: 3.7L 5 Cylinder vs.........
and who warrenties the engine and drive train after you install it...
OBAMA !!!
__________________
REMEMBER
History, be it in 1 Year, 10 Years, a Hundred Years or One Thousand, will show that those people who voted for John McCain in the United States Presidental Election of 2008 were true patriots...
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10-26-2008, 05:13 PM
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Hummer Novice
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Join Date: Dec 2007
Location: Ohio
Posts: 15
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Re: 3.7L 5 Cylinder vs.........
Quote:
Originally Posted by RubHer Yellow Ducky
How about some photos of the side exhaust !!!
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I have the Gibson Extreme Dual on mine, also have the Poweraid TB spacer and an AirDoc CAI with an Airaid Cone Filter and I had it dyno tuned. Made a big difference! I think the 3.7L has plenty for what it is, especially if you add a few things to it:
Here's a pic of the exhaust as it comes from Gibson:
I didn't like it due to clearence issues so I modified it:
Dyno sheet

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10-26-2008, 05:37 PM
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Hummer Veteran
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Join Date: Feb 2008
Posts: 35
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Re: 3.7L 5 Cylinder vs.........
I like your plates, thanks 
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10-26-2008, 06:56 PM
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Hummer Novice
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Join Date: Dec 2007
Location: Ohio
Posts: 15
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Re: 3.7L 5 Cylinder vs.........
Thank YOU!
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