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10-04-2008, 11:54 PM
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Hummer Professional
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Join Date: Sep 2008
Location: New Hampshire
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3.7L 5 Cylinder vs.........
i love my H3, but i think the H3 should have been a 4.0L V6. anyone else agree?
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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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10-05-2008, 03:40 PM
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Hummer Professional
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Join Date: Mar 2008
Location: Barto, PA
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Re: 3.7L 5 Cylinder vs.........
The 4.2L from the Trailblazer OR Envoy would have been a better choice, but if you compare the MPG ratings between the 5 cyl and the 8 cyl I would say the V8 is the better pick. Doesn't have to work as hard, and would probaly end up with the same gas milage or God fobbid Better MPG's . Just my .02 
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2004 Hummer H2 " Metallic Red "
20 inch Mojave's (Teflon)(325/60/20) BFG A/T's
MagnaFlow kitty back...Hypertech Tuned..Music to my ears 
HCMI Member 50043
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10-05-2008, 06:01 PM
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Hummer Professional
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Join Date: Sep 2008
Location: New Hampshire
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Re: 3.7L 5 Cylinder vs.........
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Originally Posted by Metallic Red
The 4.2L from the Trailblazer OR Envoy would have been a better choice, but if you compare the MPG ratings between the 5 cyl and the 8 cyl I would say the V8 is the better pick. Doesn't have to work as hard, and would probaly end up with the same gas milage or God fobbid Better MPG's . Just my .02 |
thought the same thing. when i was purchasing my h3 they had no more alphas or i would have bought one of those. i find that the regular h3 is a little underpowered. 4.2 would have been the way to go. i had an envoy xuv before i bought this and even found that that could have used a little more power.
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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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10-05-2008, 06:17 PM
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Hummer Guru
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Join Date: Jul 2006
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Re: 3.7L 5 Cylinder vs.........
I disagree. With the 3.5 in a 06 its got everything & saves some mpg over the v6 and v8!
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10-05-2008, 07:34 PM
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Hummer Guru
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Re: 3.7L 5 Cylinder vs.........
Why not a 5.0 HO or an 8 litre with a 4:11 rear, 6 on the floor, quad exhaust, flames, dice and fur...
do you want a drag car, a drive in restaurant cruiser or a HUMMER ...
make your mind up !!!!!!!!!!!!!!!!!!!
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10-05-2008, 10:02 PM
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Hummer Professional
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Join Date: Sep 2008
Location: New Hampshire
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Re: 3.7L 5 Cylinder vs.........
Quote:
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Originally Posted by RubHer Yellow Ducky
Why not a 5.0 HO or an 8 litre with a 4:11 rear, 6 on the floor, quad exhaust, flames, dice and fur...
do you want a drag car, a drive in restaurant cruiser or a HUMMER ...
make your mind up !!!!!!!!!!!!!!!!!!!
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so you think it has enough power? a 4L V6 would be perfect for it in my opinion.
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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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10-05-2008, 10:05 PM
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Hummer Professional
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Join Date: Mar 2008
Location: Barto, PA
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Re: 3.7L 5 Cylinder vs.........
Quote:
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Originally Posted by RubHer Yellow Ducky
Why not a 5.0 HO or an 8 litre with a 4:11 rear, 6 on the floor, quad exhaust, flames, dice and fur...
do you want a drag car, a drive in restaurant cruiser or a HUMMER ...
make your mind up !!!!!!!!!!!!!!!!!!!
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2004 Hummer H2 " Metallic Red "
20 inch Mojave's (Teflon)(325/60/20) BFG A/T's
MagnaFlow kitty back...Hypertech Tuned..Music to my ears
HCMI Member 50043
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10-05-2008, 10:56 PM
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Hummer Professional
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Join Date: Sep 2008
Location: New Hampshire
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Re: 3.7L 5 Cylinder vs.........
Quote:
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Originally Posted by Metallic Red
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LOL!
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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, 12:07 AM
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Hummer Expert
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Join Date: Jul 2005
Location: Toronto, Ontario, Canada
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Re: 3.7L 5 Cylinder vs.........
A V6 was in the works for the H3 in 2010 but that has all been shelved because of what GM is doing with the brand...
I personally like the I5, it gets the job done for what the truck was meant to do. It's not a race car, and it never was meant to be.
This reminds me, I watched the Aussie Top Gear on youtube yesterday, what a joke. They raced an H2 Limo around their track... What are these people smoking?
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10-06-2008, 01:27 AM
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Hummer Professional
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Join Date: Sep 2008
Location: New Hampshire
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Re: 3.7L 5 Cylinder vs.........
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Originally Posted by RazM
A V6 was in the works for the H3 in 2010 but that has all been shelved because of what GM is doing with the brand...
I personally like the I5, it gets the job done for what the truck was meant to do. It's not a race car, and it never was meant to be.
This reminds me, I watched the Aussie Top Gear on youtube yesterday, what a joke. They raced an H2 Limo around their track... What are these people smoking?
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the 5 does get the job done, but sometimes i gotta floor the thing to get up a small hill.
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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, 02:23 AM
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Hummer Veteran
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Join Date: Nov 2007
Location: Maryland
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Re: 3.7L 5 Cylinder vs.........
The I-5 does have to stress a lot and that goes for small tasks such as passing another vehicle on the freeway. It'll be interesting to see if these motors can handle 150K+ miles with all the stress and high revving it displays.
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10-06-2008, 04:07 AM
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Hummer Guru
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Re: 3.7L 5 Cylinder vs.........
Quote:
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Originally Posted by Bro
The I-5 does have to stress a lot and that goes for small tasks such as passing another vehicle on the freeway. It'll be interesting to see if these motors can handle 150K+ miles with all the stress and high revving it displays.
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I think the future will show the I-5 is and was a great engine !
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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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10-06-2008, 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:
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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. 
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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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Re: 3.7L 5 Cylinder vs.........
i think with gas situations there not gonna consider getting rid of this engine.
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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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Re: 3.7L 5 Cylinder vs.........
Quote:
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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, 03:14 PM
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Hummer Guru
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Join Date: Sep 2005
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Re: 3.7L 5 Cylinder vs.........
Quote:
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Originally Posted by Bro
The I-5 does have to stress a lot and that goes for small tasks such as passing another vehicle on the freeway. It'll be interesting to see if these motors can handle 150K+ miles with all the stress and high revving it displays.
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Dam Im expecting 250,000 + miles
I find it doesnt work to hard climing hills,
Unless the 4,000 lb campers hooked up then it strugles to get up the long steep hills.
I find when towing go into the hill at 65 to 70MPH then by the top I end up about 50MPH and it will stay in 3rd gear.If I try to keep it at 55 or 60MPH it goes down to 2nd and revs about 5,000 + RPM and fights to climb the hill.
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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:
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Originally Posted by RubHer Yellow Ducky
How about some photos of the side exhaust !!!
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I second that!
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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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Re: 3.7L 5 Cylinder vs.........
and who warrenties the engine and drive train after you install it...
OBAMA !!!
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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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