6.0 V8 H3

[BuzzH3]

I know that this has been posted before and it may even be the same H3, but this guy was at an Off-Road event I went to last weekend. It was a green H3 with a 6.0 liter V8 in it. He said it was the engine and transmission from an H2. He claimed it was putting out about 425HP!!! He has 35's on it and a 2" body lift. I have to say that it was very well done. It almost looked like it came from the factory that way. From the inside, it looked bone stock. Everything worked including traction control. He didn't change out any other driveline components.
He was running all of the trails that we were running. He also gave me a ride in it on the road. He did several full throttle launches and everything (at least for now) seemed to be holding up really well. It was very impressive. He claimed that he was getting about 16-17MPG!!!

I took some pictures that I will post when I get home tonight.

[The Green Lantern]

:jump:

[Hummer Guy]

http://cgi.ebay.com/ebaymotors/2006-HUMMER-H3-ASVE-WITH-VORTEC-6000-6-0L-V8_W0QQitemZ290014663012QQihZ019QQcategoryZ124123Q QssPageNameZWDVWQQrdZ1QQcmdZViewItem

[usetosellhummer]

v8 from gm is comming for the Alpha H3 but don't think it will be a 6.0

[RubHer Yellow Ducky]

Well, If it is real and only the engine was changed I sure hope the TOTAL drive train can take the torque that the power plant puts out...

RYD

:beerchug:

[Desert Dan]

If they put a V8 in the Alpha I hope they offer a 5-speed and Adventure Package. When can I place my order:)

They would have to upgrade the manual trans to handle the tourque of the V8.

Maybe drop in a new Vette engine???

[BuzzH3]

Well, If it is real and only the engine was changed I sure hope the TOTAL drive train can take the torque that the power plant puts out...

RYD

:beerchug:

It is the engine AND transmission from the H2. So far it seems to be a testament to how well built and heavy duty the H3 is from the factory. He also mentioned that he might put a supercharger on it too! :D I would imagine that would put the HP over 500. I'd be interested to see if things start breaking then!!

[wpage]

Sounds like a nice package!!:grouphug:

[f5fstop]

Alpha does not get a 6.0L. If they put the H2 drivetrain in the H3, there will be little aluminum pieces from the front axle laying on the side of the road. There is NO way that front axle will take that torque. In fact, the front axle on the Alpha when it comes out next year will be different than what is on the current H3.

[The Green Lantern]

:jump: ...I already started saving for it! :dancingbanana:

[KenP]

http://cgi.ebay.com/ebaymotors/2006-HUMMER-H3-ASVE-WITH-VORTEC-6000-6-0L-V8_W0QQitemZ290014663012QQihZ019QQcategoryZ124123Q QssPageNameZWDVWQQrdZ1QQcmdZViewItemI wonder about that "specially constructed title".

[BigBill]

Hummer H3 Alpha...is that what the model next year will be called, with the v8?

[Urban Ops]

I heard the H3 Alpha was still going to be the I5 with either a turbo or a super charger. With the reason GM went with the I5 in the first place, light weight compared to a V8, short block compared to a I6, I doubt we will ever see a V-8.

[BigBill]

See this thread...

http://www.elcovaforums.com/forums/showthread.php?t=6971&page=3&highlight=h3+v8

July 2007 for H3 Hummer w/ V8

[MountainBlue]

I wonder about that "specially constructed title".

It's called "SALVAGE"

Sounds like it was totalled and he rebuilt with a V8, although I question wether it is really the 6 liter. Is there really enough room in there for that motor?

[BuzzH3]

I question wether it is really the 6 liter. Is there really enough room in there for that motor?

It is. I saw it first hand and rode in it.

[BuzzH3]

Alpha does not get a 6.0L. If they put the H2 drivetrain in the H3, there will be little aluminum pieces from the front axle laying on the side of the road. There is NO way that front axle will take that torque. In fact, the front axle on the Alpha when it comes out next year will be different than what is on the current H3.

I am far from being an expert on diffs, but if the front diff was that weak, wouldn't they be popping all the time when you put it in 4 LO and climb over rocks and everything else. With that gearing there has to be an awful lot of torque at the diffs even with the I-5. Now, granted if you had the 6.0 and drove it like an idiot and hit full throttle every time, I could definitely see parts breaking. If you drove with a half an ounce of sense though, it seems like it should hold up pretty good. Having said all that, I still would never do the conversion in mine. I'm just waiting for the Alpha!!!

[RubHer Yellow Ducky]

Remember the Rotory Engine OPTION thats coming...

RYD

[Agriv8r]

I am far from being an expert on diffs, but if the front diff was that weak, wouldn't they be popping all the time when you put it in 4 LO and climb over rocks and everything else. With that gearing there has to be an awful lot of torque at the diffs even with the I-5. Now, granted if you had the 6.0 and drove it like an idiot and hit full throttle every time, I could definitely see parts breaking. If you drove with a half an ounce of sense though, it seems like it should hold up pretty good. Having said all that, I still would never do the conversion in mine. I'm just waiting for the Alpha!!!

why have all that power available if you are going to drive like my grandmother going to church?:OWNED:

[BuzzH3]

why have all that power available if you are going to drive like my grandmother going to church?:OWNED:

Good point!!

[felsmann]

I know a Hummer dealer dude that actually knows his stuff (not like most dealer reps out there) and we were talking about V8 options. He said GM has had a prototype for quite some time now with a V8 from a Sierra truck and its tranny. He said the power was great, as you'd expect and that the mileage was similar to the I5, maybe a little less. Mileage was good on this truck because you don't need to push the V8 much to get the H3 going.

Anyway, I asked why this never made it to market or if it will. He said he asked the GM engineer the same question and GM felt it was "too much power" for the H3 and GM woul have feers of liability (How about all the power on a Vette????) Then I asked what the Alpha version would be if not V8 (I was hoping for diesel at least, but that won't be an option, in the US due to emissions) The answer was maybe a supercharged 3.7L I5 as Urban Ops mentioned earlier.

[bparker]

Sounds good and all and I am glad to hear some people are starting to experiment with the H3s. its better to learn from OTHERS mistakes .... lol

But I will wait on the H3 Alpha and a 100k warranty to boot...

[f5fstop]

I know a Hummer dealer dude that actually knows his stuff (not like most dealer reps out there) and we were talking about V8 options. He said GM has had a prototype for quite some time now with a V8 from a Sierra truck and its tranny. He said the power was great, as you'd expect and that the mileage was similar to the I5, maybe a little less. Mileage was good on this truck because you don't need to push the V8 much to get the H3 going.

Anyway, I asked why this never made it to market or if it will. He said he asked the GM engineer the same question and GM felt it was "too much power" for the H3 and GM woul have feers of liability (How about all the power on a Vette????) Then I asked what the Alpha version would be if not V8 (I was hoping for diesel at least, but that won't be an option, in the US due to emissions) The answer was maybe a supercharged 3.7L I5 as Urban Ops mentioned earlier.

Your friend, and the so-called GM engineer are full of BS, and only stuff they know is how to pull your leg or act like they know what the heck they are talking about.
There is so much misinformation on the Alpha that we, are work, have a good laugh at least once a day.:jump:
GM is not going to release a supercharged 3.7L in the Alpha. If there is a V8 H3 that is released next year, it may have been held up due to the requirements of crash testing, serviceability, and putting the dang thing in the engine compartment. I doubt (hell, I know) it was not held due to excessive power. (I believe, if they are going to release one, that I know somoene who drove one for a day...let me think of who that was;) , but then again, do I really know this???????).

Confusing I know, but believe me when I say, your information from this dealer is not true and is total BS (not on your part, since you are just passing along third party information).

[f5fstop]

I heard the H3 Alpha was still going to be the I5 with either a turbo or a super charger. With the reason GM went with the I5 in the first place, light weight compared to a V8, short block compared to a I6, I doubt we will ever see a V-8.

Wanna bet???? I need $$ for my retirement account?

[Desert Dan]

f5fstop

Any word on a 5-speed with the V8?

I hope so!

[Steve - SanJose]

As usual, nothing of substance to report here on the H3 engines. But we can always hope.

S.

[usetosellhummer]

Talked with a tech who saw it at the track. v-8 is all i heard. Bet on it.
NO SUPERCHARGER!

[Urban Ops]

Wanna bet???? I need $$ for my retirement account?

Instead of being a ass and just saying "Wanna bet????" Why don't you tell us why? What am I wrong about specifically besides not seeing a V8 anytime soon. Why didn't they put a V8 in from the start or the inline 6 thats in the Trailblazer?
I was told because wanting to stay true to Hummer's reputation as the ultimate off road vehicle the I5 was choosen because it was lighter than the V8 and it was shorter than the I6 giving the H3 a better approach angle.

[f5fstop]

Instead of being a ass and just saying "Wanna bet????" Why don't you tell us why? What am I wrong about specifically besides not seeing a V8 anytime soon. Why didn't they put a V8 in from the start or the inline 6 thats in the Trailblazer?
I was told because wanting to stay true to Hummer's reputation as the ultimate off road vehicle the I5 was choosen because it was lighter than the V8 and it was shorter than the I6 giving the H3 a better approach angle.

"Ass." Everything except the I-6 is incorrect, is that enough of an answer. And next time someone says something that is in humor, take a chill pill, and cool off. Since I'm being called an ASS, I will continue to act like one and tell you NOTHING. However, someone with some common sense, may be able to read my previous thread and figure out what is going on.

[HummerHippy]

Instead of being a ass and just saying "Wanna bet????" Why don't you tell us why? What am I wrong about specifically besides not seeing a V8 anytime soon. Why didn't they put a V8 in from the start or the inline 6 thats in the Trailblazer?
I was told because wanting to stay true to Hummer's reputation as the ultimate off road vehicle the I5 was choosen because it was lighter than the V8 and it was shorter than the I6 giving the H3 a better approach angle.

Trust our F5 member. :) He trys very hard to give us info, or clues, when we should all know that he is not supposed to. He isn't going to violate GM policy and give out info that he is not supposed to. Plus, as I am sure he has mentioned many times, if he says one thing today about a future vehicle, it could change tomorrow. I have much patience and trust what our cameraman says.

[Urban Ops]

"Ass." Evidently, you are having a problem reading the other threads. What did you say wrong...
"Originally Posted by Urban Ops
I heard the H3 Alpha was still going to be the I5 with either a turbo or a super charger. With the reason GM went with the I5 in the first place, light weight compared to a V8, short block compared to a I6, I doubt we will ever see a V-8."
You heard wrong, the Alpha is not going to have an inline 5-cylinder engine. Thus, no supercharger or turbo. GM went with the I-5 in the first models due to the fact these were the same engines offered in the Colorado/Canyon, as well as the transmissions. They are manufactured in the same location. At the time, they did not have capacity for a small V8 to be used in this model or the C/C.
Your doubt is incorrect, simple and I was trying to kid around, but I find kidding around with some people impossible. So, go take a chill pill, and cool down, Mr. Urban Ops.

I'm sorry, I'm new here. Why is it everyone comes to YOU like you're some kind of inside man? And I guess I should just throw this book away since it clearly it doesn't know sh!t.

[HummBebe]

Now now.....(in my most condecending tone :D )

"Wanna bet?" is a "Northern Midwest" term. Loosely translated it means "you were mis-informed". The opposite is "You betcha!!" loosely translated, means "you are right!"

He's old, and cranky sometimes, but we love him anyway.

He is our Guru.....so for all the n00bs reading this....

f5fstop IS the shizzle :jump: :jump: :jump: :jump: :jump: :jump: :jump: :jump: :jump:

[The Green Lantern]

:iagree:

[DDWH]

Now now.....(in my most condecending tone :D )

"Wanna bet?" is a "Northern Midwest" term. Loosely translated it means "you were mis-informed". The opposite is "You betcha!!" loosely translated, means "you are right!"

He's old, and cranky sometimes, but we love him anyway.

He is our Guru.....so for all the n00bs reading this....

f5fstop IS the shizzle :jump: :jump: :jump: :jump: :jump: :jump: :jump:

:iagree: :beerchug:

[Demo]

:perfect10s: X2 for F5fstop. You are a great asset to this forum. Please hurry with the alfa H3 and make sure to put a locker up front this time. ;) We need to stay a step ahead of Jeep in order to boost GM sales.. K?

[f5fstop]

Guys you are embarrassing me.....
To Urban Ops. I won't say I'm an inside man, but believe me, I have a damn good idea what is coming down the pike for Hummers. As for the book, I have never read it, but like most books, the facts can be questioned.
I also believe a V8 in the beginning would have been a great idea, but it was not going to happen IN THE BEGINNING.

[HummBebe]

Guys you are embarrassing me.....



Now my feelers are hurt.....:crying:

[Viet Nam Vette]

Now now.....(in my most condecending tone :D )

"Wanna bet?" is a "Northern Midwest" term. Loosely translated it means "you were mis-informed". The opposite is "You betcha!!" loosely translated, means "you are right!"

He's old, and cranky sometimes, but we love him anyway.

He is our Guru.....so for all the n00bs reading this....

f5fstop IS the shizzle :jump: :jump: :jump: :jump: :jump: :jump: :jump: :jump:

Beeb's...I think it is SCH-NIZZEL....Wanta Bet..?? Now don't Piss of the Snoop Dog..:D

[Viet Nam Vette]

:iagree:
:iagree: :perfect10s: on the 5 Stop Man..:dancingbanana:

[Viet Nam Vette]

Larry Edsall

About the Author

Larry Edsall was snatched away from a career as a daily newspaper sports editor to join the staff of AutoWeek. He was managing editor for most of his 12 years at the nation?s leading weekly automotive magazine. He moved to Phoenix late in 1999 to modernize one automotive website and then launched another, iZoom.com.

Edsall also writes as a freelance contributor for daily newspapers and several automotive and lifestyle publications. His previous Motorbooks titles include Ford Racing Century: A Photographic History of Ford Motorsports (with Mike Teske), Ford GT: The Legend Comes to Life, and Hummer H3 (http://www.powells.com/s?title=Hummer H3;author=Edsall, Larry).

Souds Like an Insider to me.....:shhh:

[Desert Dan]

I bought the H3 book before I bought my H3.

Some of the protoype testing and engineering pictures sold me on the H3.

[Urban Ops]

I bought the H3 book before I bought my H3.

Some of the protoype testing and engineering pictures sold me on the H3.


Me too.

[BuzzH3]

Here are the pictures.

30808
30809
30810
30811
30812
30813

[BuzzH3]

A couple more.

30814

30815

[f5fstop]

I haven't read the book, in fact, didn't even know it existed until today. The problem with many of these types of books is there is always some speculation thrown in to help sell.
Only thing I can say without reading the book is that what was mentioned earlier is not all true. Information posted on the I-6 is correct, it would not fit, but the reason for the I-5 was place of manufacture, basic chassis to be used, availability of the I-5, etc.

What I do know for sure, is at this time, there is NO SC or TC designed for the existing engines in the H3 from the factory, unless they are via GM Accessory Parts, something I don't get involved with. But I have not heard of anything in regard to this, so at this time I would say a SC or TC from GM would probably not be coming.

[f5fstop]

Buzz, I know the 6.0L will fit, in fact I know for sure the LS6 will fit, but I'm wondering, if they switched out the front diff. If not, I would expect with that added torque, that front diff won't last too long.
Cool package though....

[BuzzH3]

Buzz, I know the 6.0L will fit, in fact I know for sure the LS6 will fit, but I'm wondering, if they switched out the front diff. If not, I would expect with that added torque, that front diff won't last too long.
Cool package though....

All I can say is what he told me. He said that the diffs were stock. Now I have no idea if that is the truth or not. They may be a ticking timebomb waiting to go off!!

You know "for sure" that the LS6 will fit, huh? Does that mean that they built a prototype with the LS6???

[HummerNewbie]

You know "for sure" that the LS6 will fit, huh? Does that mean that they built a prototype with the LS6???

I believe somebody said they drove it :jump:

[f5fstop]

All I can say is what he told me. He said that the diffs were stock. Now I have no idea if that is the truth or not. They may be a ticking timebomb waiting to go off!!

You know "for sure" that the LS6 will fit, huh? Does that mean that they built a prototype with the LS6???


Not for sale to the public. Besides, I believe that is what Gordon runs in the desert series (non-stock).

[HummBebe]

f5,

please tell me they are not blowing off the front diff isuue:crying::crying::crying::crying::crying:

[DDWH]

A couple more.

30814

30815

Buzz, how was the duramax H2? Any pictures of it?:dancingbanana:

[BuzzH3]

Buzz, how was the duramax H2? Any pictures of it?:dancingbanana:

Yeah, I did get some pictures of it. I will try to post them when I get home. It was pretty cool. I think he said it had about 450HP and got about 20+ MPG

[usetosellhummer]

At my Hummer Club event Monday a AM General tech told me 2 H3's blew front diffs on the Farmington trails last year with a GM product Eng. I had some issues becasue I have a base H3 but did 90% of what the H1's were doing. SOme of the H1 owners were a little miffed my 28k rig was all over the sheet.

[f5fstop]

f5,

please tell me they are not blowing off the front diff isuue:crying::crying::crying::crying::crying:

Yes, they believe the hardening of the gear set is all that is required. I guess it has helped, but not the real cure for the problem. I don't agree with them, but they certainly don't care.
Some bean counter somewhere has decided that it is a reasonable gamble on the number that will fail versus the number that won't fail. I think at the minimum, a stronger front diff should be added to the adventure series. I would be willing to spend 100 bucks more for a cast iron housing.

[RubHer Yellow Ducky]

Wankel Engine
The Wankel radial engine is a fascinating beast that features a very clever rearrangment of the four elements of the Otto cycle. It was developed by Felix Wankel in the 1950s.1 (http://www.keveney.com/bibliography.html) http://www.keveney.com/img/wankel.gifIn the Wankel a triangular rotor incorporating a central ring gear is driven around a fixed pinion within an oblong chamber.

The fuel/air mixture is drawn in the intake port during this phase of the rotation.
http://www.keveney.com/img/wankel_in.gifThe mixture is compressed here.
http://www.keveney.com/img/wankel_cmp.gifThe mixture burns here, driving the rotor around.
http://www.keveney.com/img/wankel_pwr.gifAnd the exhaust is expelled here.
http://www.keveney.com/img/wankel_exh.gifThe rotory motion is transferred to the drive shaft via an eccentric wheel (illustrated in blue) that rides in a matching bearing in the rotor. The drive shaft rotates once during every power stroke instead of twice as in the Otto cycle.
The Wankel promised higher power output with fewer moving parts than the Otto cycle engine, however technical difficulties have apparently interfered with widespread adoption. In spite of valiant efforts by Mazda, the four stroke engine remains much more popular.

[HummBebe]

Yes, they believe the hardening of the gear set is all that is required. I guess it has helped, but not the real cure for the problem. I don't agree with them, but they certainly don't care.
Some bean counter somewhere has decided that it is a reasonable gamble on the number that will fail versus the number that won't fail. I think at the minimum, a stronger front diff should be added to the adventure series. I would be willing to spend 100 bucks more for a cast iron housing.

Ok, so we are still in the same place we were in April.

Thanks.

Can someone put me in touch with said bean counter at GM, I'd like to give him a piece of my......diff.:twak:

[RubHer Yellow Ducky]

I'd like to give him a piece of my......diff.:twak:__________________
T & A Affilliate
FO T & A Monitor
Queen of the 3bies

I'll take a message for him...

RYD

[BigBill]

Yes, they believe the hardening of the gear set is all that is required. I guess it has helped, but not the real cure for the problem. I don't agree with them, but they certainly don't care.
Some bean counter somewhere has decided that it is a reasonable gamble on the number that will fail versus the number that won't fail. I think at the minimum, a stronger front diff should be added to the adventure series. I would be willing to spend 100 bucks more for a cast iron housing.

Penny wise, billion dollar foolish!

Bill

[DURAMAX TIM]

You know "for sure" that the LS6 will fit, huh? Does that mean that they built a prototype with the LS6???

LS6 is still based on the 6.0 block size.

[H3.007]

Now that the US Navy has retired the F-14 Tomcats, perhaps we could find some used engines lying around - now that would be some horsepower....

Seriously though - I wonder if and when the 6.0 comes out if it will be available as a crate engine for a swap, along with the necessary front end parts a la the torque concern.

Or would it be cheaper to trade....

Hmmmmm....

[BuzzH3]

LS6 is still based on the 6.0 block size.

I know, but GM putting it in a prototype is a lot different than an aftermarket company doing it.

[BuzzH3]

Now that the US Navy has retired the F-14 Tomcats, perhaps we could find some used engines lying around - now that would be some horsepower....

Seriously though - I wonder if and when the 6.0 comes out if it will be available as a crate engine for a swap, along with the necessary front end parts a la the torque concern.

Or would it be cheaper to trade....

Hmmmmm....

My guess (and it is only a guess) is that it will be the 5.3 (302HP/330lbft) that GM has in the Envoy and several other vehicles. I think someone;) had hinted about that a while back. Correct me if I am wrong.

It would probably be cheaper to trade after you consider the transmission, larger radiator, reprogram the computer, and all of the labor. The company that did the H3 in this thread is charging $14,500 for the 6.0 swap and that doesn't include the diffs.

[wpage]

George Clooney has just announced he has the answers to GM's issues and will personally fix the H3 ":beerchug: engine thing"

[Steve - SanJose]

Clooney has as many of the facts already mentioned.:)

S.