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4.5L Duramax info
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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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2,710 Posts
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
There still trying to recover from the 6.2/6.5TD mistakes. . .
Mike
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2,710 Posts
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 ?
Mike
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 ?
Mike
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287 Posts
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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6 Posts
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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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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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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4,023 Posts
The 4.5l Duramax is based off the knowledge learned from the Isuzu/GM 7.8L and 6.6L Duramax. Like high pressure common rail fuel injection, compacted Iron-graphite engine blocks, Variable Geometry Turbos. They're hoping to shake off the old thoughts that lightweight diesels are awful. The 5.0L Cummins and the 4.4L Ford are also trying to shake that though process when they get released. We can argue about past failures and blind eye turnings till the cows come home, but this will be a rejuvenation of lightweight diesels when this motor comes out. :mafia1::mafia1:
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IF/WHEN it comes out my brother... does anyone have any info yet? are they ever going to release it?? i mean they have them developed, they have the tooling, they could be producing them tommorow if they needed to, and i know there are a lot of people who would love a diesel but dont need a 3/4 or 1ton... diesels are the thing of the future, not the past, gasoline motors are things of the dinosaurs.... I think i want a 1/2ton diesel in the future, i hope these guys get off their butts and put one out there!
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182 Posts
I'm really hoping a half ton diesel makes it to the market from one of the big 3. I don't really need a 3/4 ton truck, but I won't sell it either, too much invested already. I'd just like a 1/2 ton diesel for the mileage and to to my truck to events, I'd call it the wifes vehicle and just use it more then her 
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Hey now ! My Obsolete Gasser's are still running with the best of them :thumbsup they have out performed many LD n MD diesel trucks a few decades Newer :thumbsup
LOL Just giving ya some heck :haha no worries :thumbsup
Mike
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4,320 Posts
to tell you the truth i kind of doubt i will ever buy another gas truck, ive owned two diesels now and a gas has no alure to me, they're so damn boring... i mean i dont know any gas engines that you can simply change the tuning and make 500hp.... to get 500hp out of a gas you have to change a hell of a lot of things and spend a bunch more cash to do it as well...
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LOL you retune my 6.5 and see if you get 500hp LOL I would love to see it. . .
:haha heck i'd love to see any pick up truck diesel hit 500hp without 1 bolt on part no chips no turbos No add on parts nothing but retuning whats there :haha
some how i just dont think its that easy its by far easier then a Gas engine sure but its not as easy as you make it sound. . .
Tho my AMX's engine was rated at 435hp n 480tq but it really made 485hp n 492tq and that is a gas engine i am sure i could get extra 15hp out it in seconds . . . prolly even break the 500tq mark as well as the 500hp mark . . . But why its only a 2,800# car . . .I'm almost sure it'll run faster then your 500hp diesel.
My 1953 Studebaker M275 will easily out pull your 500hp diesel pick up truck you'll send your tires up in smoke while i drag you all over the place in low gear . . .
But if its diesel fun you want i am sure my lil 315hp Mack will twist your truck around it's self in seconds. . .
with your truck being GM i am sire my Ford Gasser wouldn't mind towing whats left of your truck home for you, i have No doubts my 62' GMC could also drag ya around tho it my have to grunt a bit harder then the stude. . .
I got CASH ? got INSURANCE ? I have a crashing plant at my disposal i can gladly recycle your rig for you even. . .
Mike
:haha heck i'd love to see any pick up truck diesel hit 500hp without 1 bolt on part no chips no turbos No add on parts nothing but retuning whats there :haha
some how i just dont think its that easy its by far easier then a Gas engine sure but its not as easy as you make it sound. . .
Tho my AMX's engine was rated at 435hp n 480tq but it really made 485hp n 492tq and that is a gas engine i am sure i could get extra 15hp out it in seconds . . . prolly even break the 500tq mark as well as the 500hp mark . . . But why its only a 2,800# car . . .I'm almost sure it'll run faster then your 500hp diesel.
My 1953 Studebaker M275 will easily out pull your 500hp diesel pick up truck you'll send your tires up in smoke while i drag you all over the place in low gear . . .
But if its diesel fun you want i am sure my lil 315hp Mack will twist your truck around it's self in seconds. . .
with your truck being GM i am sire my Ford Gasser wouldn't mind towing whats left of your truck home for you, i have No doubts my 62' GMC could also drag ya around tho it my have to grunt a bit harder then the stude. . .
I got CASH ? got INSURANCE ? I have a crashing plant at my disposal i can gladly recycle your rig for you even. . .
Mike
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4,320 Posts
wow your going 10 directions at once there bud, if you dont like what i drive thats fine, dont expect me to run out and buy a 50 year old truck:thumbsup take your pessimism somewhere else, as for it being easier to get 500hp out of my modern diesel? heck yes it is, EFI live is all you need
you can keep your 8 vehicles, i dont need them, i can only drive one at at time, might as well make it worth while.. and heated leather seats are damn comfy :happymugs
you can keep your 8 vehicles, i dont need them, i can only drive one at at time, might as well make it worth while.. and heated leather seats are damn comfy :happymugs
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4,320 Posts
i wouldnt say its a beast, its only stock, you have a group of vehicles that perform tasks that you require, i dont have any tasks that need that kind of doing, i daily drive my rig, and it does whatever i ask of it, no problems at all from it:thumbsup
i have one other vehicle thats insured and its an 86 merc capri, its basically useless because it doesnt have a block heater, and it doesnt have AC, so its only good for fall and spring LOL:bang my toy
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Im really interested in the 4.5 because the GF is going to be looking for a newer vehicle in the next few years and she wants a Mitsu Lancer, but im in love with diesels and she wouldnt mind having a Pickup, im almost positive that if she got the chance she would drive mine all the time.. LOL but the 4.5 in a 1/2ton, its like a car with a box and a 310hp torque monster that gets 20+mpgs :happymugs
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