4.5L Duramax info - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 21 (permalink) Old 12-23-2008, 08:37 PM Thread Starter
is here and there.
 
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4.5L Duramax info

http://www.autoblog.com/2008/05/05/g...rbo-diesel-v8/

Life changes, so roll with it, not against it.
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post #2 of 21 (permalink) Old 12-28-2008, 03:02 PM
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I'm guessing this project has been put on hold with GM's deep financial problems.

I bet introducing it might help them out of it.
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post #3 of 21 (permalink) Old 01-03-2009, 02:37 AM
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If I were in charge at GM it would either be push up deliver dates for the new stuff or kill it off until they make money. This is the type of thing to make or brake a company. I like diesels but there is little economy in one today and I do not think the new President cares for them. I hope we get to see this but I am not holding my breath.
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post #4 of 21 (permalink) Old 02-03-2009, 06:18 AM
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OMFG ! ! ! I'm about the biggest GM fan there is but holy Cow they just got bailed out shouldn't they wait a while before introducing another Diesel ?
There still trying to recover from the 6.2/6.5TD mistakes. . .

Mike

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post #5 of 21 (permalink) Old 02-03-2009, 02:16 PM
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I think they have the diesel thing figured out, even if they had to hire Isuzu to help. Being in the market for a 1/2 ton I'm waiting for these to come out. Otherwise I might be driving a Mahindra diesel pickup.
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post #6 of 21 (permalink) Old 02-03-2009, 07:02 PM
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All of the big 3 is planning producing a 1/2ton Diesel truck so GM is going to have to compete against another Cummins Diesel. . .

GM owns detroit diesel dt has finally got them selves some Good quality products FINALLY after 30 YEARS of Doggy oil leakers. . .why not have them Build GM a kick but I-6 ? or what about CAT GM uses Cat's there medium n Heavy Duty trucks ?

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post #7 of 21 (permalink) Old 02-04-2009, 03:53 AM
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speaking of their financial problems... hahaha i can fix that! how many times have you gone or watched a sporting event and seen an ad that was something like "GMC.... YOUR OFFICIAL TRUCK OF THE NFL"/.... you know how much that costs!?!?!? an i bet it doesn't increase their sales even 2% if im going to buy a new truck im looking at all my options no matter who sponsors the daytona 500 or how gay those toyota tundra commercials are!!!! THATS WHERE ALL THEIR MONEY GOES!!!!

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post #8 of 21 (permalink) Old 02-10-2009, 02:14 AM
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Quote:
Originally Posted by Duke View Post
I'm guessing this project has been put on hold with GM's deep financial problems.

I bet introducing it might help them out of it.
No they havent put it on hold yet. I am still test them. And I must say you get rud of the emissions crap these things run great.
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post #9 of 21 (permalink) Old 02-16-2009, 01:24 AM
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Quote:
Originally Posted by M123KT-450 View Post
OMFG ! ! ! I'm about the biggest GM fan there is but holy Cow they just got bailed out shouldn't they wait a while before introducing another Diesel ?
There still trying to recover from the 6.2/6.5TD mistakes. . .

Mike
I owned 3 6.2s. All of them lasted 300k+ and got 22mpg plus. Just because you had problems doesn't mean they are bad. The 6.5 issues could have easily been rectified but GM chose to ignore it. Atleast the blocks didn't fail like the late 80s 7.3s . You should really get you history straight. The 6.2 is not what gave GM a bad rap for diesel tech, it was the 5.7 handgrenade. The 6.2 was a good engine but after the mess with the 5.7s alot of people were turned off to them. Most 6.5s that ar taken care of last close to 300K. I have 2 both with 171k.

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post #10 of 21 (permalink) Old 08-09-2009, 01:38 AM
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Quote:
Originally Posted by acesneights1 View Post
I owned 3 6.2s. All of them lasted 300k+ and got 22mpg plus. Just because you had problems doesn't mean they are bad. The 6.5 issues could have easily been rectified but GM chose to ignore it. Atleast the blocks didn't fail like the late 80s 7.3s . You should really get you history straight. The 6.2 is not what gave GM a bad rap for diesel tech, it was the 5.7 handgrenade. The 6.2 was a good engine but after the mess with the 5.7s alot of people were turned off to them. Most 6.5s that ar taken care of last close to 300K. I have 2 both with 171k.
This true of any engine if the PO beat the heck out of it and towed Goose neck trailers witch i just discovered the hole in my box by the way were such a hitching device was once located then its going to the be a beaten rig. . .

Alot of people don't take care of there Trucks as the owners manual says too !

Did you know the owners manual in my truck says to change the oil every 2,500 miles ? I wonder how many 6.5 owners do that ?

the manual also clearly states DO NOT use OD for Carrying heavy loads towing trailers while operating on steep hills or when off road. How many 6.5 owners you guess do all of them things in OD ?

Follow the manual and about every engine out would last much longer then it dose. . .

the 6.2/6.5 do not make the amount of power the 5.9 and 7.3 do of the same model years, now that being said the 7.3 n 5.9 both came from 16K-36K-LB GVWR truck's that tended to get used for 300K-500K miles, as were the 6.2/6.5's GVWR's were 6K-9K-LB's, not saying they wern't used in truck as heavy as 14K-16K, but didn't seem them in trucks like C40's-C80's such as the other 2 engines were used.

6.2/6.5 bad engine's more then likely not, they are light duty app Motor's that got over loaded over worked and under maintained ! Tho I'm sure PMD failures getting misdiagnosed as Injector pump failures at $1,500-$2,500 a hit didn't help them much either. . .

I personally think the 6.2 was a little more dependable then the 6.5 due its lack of electronics . . .

I to have seen with my own 2 or rather 4 eye's 2 6.5-T's with over 300K miles still getting used 1 with 327K and the other with 393k, But the Driver of them 2 trucks also dosen't run them during the winter months any more as around 150-170K miles the both wouldn't start once temps tipped into the 20's. . .

which seem to be about where mine is now at 135k miles. . .

Mike

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Last edited by M123KT-450; 08-09-2009 at 01:43 AM.
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