View Full Version : 6.5l diesel V8?
TommyVTss
17-03-2007, 08:12 PM
http://cgi.ebay.com.au/GV-CHEV-6-5L-DIESEL-V8-NEW-WITH-TURBO-INJECTORS-PUMP_W0QQitemZ150099618522QQcategoryZ50139QQrdZ1QQ cmdZViewItem
what do they use these for? i bet these things would have plenty of torque?
Danv8
17-03-2007, 08:27 PM
They used them in yank pick up trucks and Hummers.
chevypower
17-03-2007, 11:04 PM
the last of them in the 1998 Suburbans and Silverados put out 145kw/583Nm in the 6.5L V8 turbo diesel - to put that in to perspective, the new GM 2.9 litre V6 diesel puts out 184kw/550Nm and revs harder and is smoother and lighter, and I bet it is also a stronger motor with it's CGI engine block. It's hard to think of the 6.5 as being an impressive motor these days. I think all GM did was grab a 350 V8, got it to run on diesel, made it a 6.2L, and eventually made it a 6.5 with a turbo on it.
mmciau
18-03-2007, 05:15 AM
the last of them in the 1998 Suburbans and Silverados put out 145kw/583Nm in the 6.5L V8 turbo diesel - to put that in to perspective, the new GM 2.9 litre V6 diesel puts out 184kw/550Nm and revs harder and is smoother and lighter, and I bet it is also a stronger motor with it's CGI engine block. It's hard to think of the 6.5 as being an impressive motor these days. I think all GM did was grab a 350 V8, got it to run on diesel, made it a 6.2L, and eventually made it a 6.5 with a turbo on it.
And from what Ii understand, not an ideal outcome.
They were not as reliable as a specifically constructed diesel block.
Mike
the last of them in the 1998 Suburbans and Silverados put out 145kw/583Nm in the 6.5L V8 turbo diesel - to put that in to perspective, the new GM 2.9 litre V6 diesel puts out 184kw/550Nm and revs harder and is smoother and lighter, and I bet it is also a stronger motor with it's CGI engine block. It's hard to think of the 6.5 as being an impressive motor these days. I think all GM did was grab a 350 V8, got it to run on diesel, made it a 6.2L, and eventually made it a 6.5 with a turbo on it.
Absolutely, it's "old school". But for the right need and application, it's a fantastic Motor!! Remember some people say the LS2 is "old Tech":cussing: (even when it kicks their Ass).
I threw one of these (6.5, factory Turbo Deisel) in my 80 series cruiser 5 years ago, and it transformed it. Compared to the old 4.2, it has similar economy, twice the power and is the same weight:yahoo: :yahoo:
Are other Deisels better, hell yes! For this application, NO! Why? These are easy to fix, very cheap for parts and you can get them anywhere (so an outback fix is not a problem).
There are some winning in off road racing classes with these. Running 18lbs boost (intercooled) they will smoke 35" tyres (all 4) on Bitumen! Do that with your 2.9LV6??
Cheers
Noah
vxcalais
19-03-2007, 08:28 AM
keep away from these 6.5 diesels they are junk
Danv8
19-03-2007, 08:49 AM
keep away from these 6.5 diesels they are junk
Please tell us why because I know a few people with the same 6.5L turbo diesels and has not had any problems with them at all. I think one of them has covered over 400,000k's on the clock without any problems.
Cant say the same for the Navistar Powerchoke thats fitted to the F series Fords.
:-p
Please tell us why because I know a few people with the same 6.5L turbo diesels and has not had any problems with them at all. I think one of them has covered over 400,000k's on the clock without any problems.
Cant say the same for the Navistar Powerchoke thats fitted to the F series Fords.
:-p
Sorry my mistake they have the 6.2 litre diesels.
Damn 3 am starts. :cussing:
keep away from these 6.5 diesels they are junk
That's very usefull information, explain then.
I know of many similar setups with this engine (in boats, 4wd's, Ambulances etc etc) never seen/heard of one breaking?
Mines done over 100K, still same as new. There is a difference between the factory Turbo engine and the bolt on ones (bigger bottom end, ceramic top pistons, comp etc). I also run it on 30-50% Kerro, without a problem.
The only problem I've had is waiting for my mates to follow me up huge sand dunes (their reliable?? high tech petrol and Deisel 4wd's just don't have the balls:werd: ).
This is fact, you got the same?
v8e30
19-03-2007, 09:55 AM
We used to have a 6.2 and a t400 in a series 3 jag, it was an awesome cruiser.
We used to have a 6.2 and a t400 in a series 3 jag, it was an awesome cruiser.
Now that's something you don't see everyday:love:
What was the thought behind this?? (just not very common in a road car setup, towing or the likes?).
VYSHSV8
19-03-2007, 10:48 AM
We have the 6.2 variant in my Father in Laws Dual cab 47 and its on its second life not a fault of the engine but a fault with the air cleaner studs on the early series as they could work themselves loose and walla straight down the guts well thats what happened to ours, but overall they are a great engine and ideal for what they use it for, moving a 3+ton dual cab and also towing the speedway car around..
v8e30
19-03-2007, 11:20 AM
Now that's something you don't see everyday:love:
What was the thought behind this?? (just not very common in a road car setup, towing or the likes?).
It was my mums car actually, the v12 would use huge amounts of fuel. It was awesome with the 6.2, gobs of torque and great fuel usage! She'd get some funny looks when she would fill it up at the servo though :wave: Even had people run over to her and tell her she was at the wrong pump :lol:
We also had a landcruiser ute with a 6.2/t400 combo, one of the only ones with an auto around! Both cars are long gone now though :(
It was my mums car actually, the v12 would use huge amounts of fuel. It was awesome with the 6.2, gobs of torque and great fuel usage! She'd get some funny looks when she would fill it up at the servo though :wave: Even had people run over to her and tell her she was at the wrong pump :lol:
We also had a landcruiser ute with a 6.2/t400 combo, one of the only ones with an auto around! Both cars are long gone now though :(
That's gold!
The shaking and rattling would have got some attention also:love:
The Auto is a good combo (great in a 4wd also). Mine's a Manual, had some initial clutch problems (would slip the new clutch in all gears, had to go real big).
v8e30
19-03-2007, 11:42 AM
That's gold!
The shaking and rattling would have got some attention also:love:
The Auto is a good combo (great in a 4wd also). Mine's a Manual, had some initial clutch problems (would slip the new clutch in all gears, had to go real big).
Haha yeah, sounded like a truck. People would put their hand out for the bus then realise it was an old lady in a jag coming around the corner :lol:
CharlieDontSurf
19-03-2007, 08:37 PM
I have driven many of the deisel V8's in the GMC Ambulances imported to Australia. The engine and gearbox was the best thing about them. Very smooth and powerfull. They used to get a flogging from cold starts and most of the engines were upto it. I know of one that died at our branch.WE also had one of the few 5.7 Gen 2 V8s's in the GMC Ambulance. That reved out but the diesel was the better performer. And the fuel consumption!! You could run out of Petrol in the 5.7 in one or 2 10 hour shifts!!
Mind you the ford Territory and Afventra single responder cars get on average 29 - 30lt 100km!! Thats what happens when your foot is to the floor for 50% of the time
MattJ
19-03-2007, 08:47 PM
I have driven many of the deisel V8's in the GMC Ambulances imported to Australia. The engine and gearbox was the best thing about them. Very smooth and powerfull. They used to get a flogging from cold starts and most of the engines were upto it. I know of one that died at our branch.WE also had one of the few 5.7 Gen 2 V8s's in the GMC Ambulance. That reved out but the diesel was the better performer. And the fuel consumption!! You could run out of Petrol in the 5.7 in one or 2 10 hour shifts!!
Mind you the ford Territory and Afventra single responder cars get on average 29 - 30lt 100km!! Thats what happens when your foot is to the floor for 50% of the time
And i used to work on them! The GM Diesels were the best by far. Very reliable and apparently before the GM3500 got about two tonnes of fibre glass loaded on the rear they would smoke the rear tyres into oblivion! There were not to many 5.7 petrol jobbies and as Charliedontsurf said they would rev but didnt pack the torque like the big oiler.
Those were the days...
TommyVTss
19-03-2007, 08:57 PM
cool thats why the old ambos sound so damn tough! wooooh!
chevypower
19-03-2007, 10:10 PM
Oldsmobile 5.7 V8 diesel, Gm 6.2 and 6.5L V8 diesel.... apart from their size, is there anything else thats good about them? no! Why do Americans hate diesels? because of these engines! That's what they think of when they thought DIESEL - back then....they are powerful compared to Ancient little Toyota diesels which is all we had in Australia, but what isnt? Even the Duramax is now looking old school. The new GM 2.9 V6 and the 4.5L V8 which will have around 260kw/800Nm is where it's at. About 10 yrs ago, i thought the 6.5L TD V8 was a good motor... i have moved on with the times, I hope everyone else does too!
dadem0n
19-03-2007, 10:48 PM
Does anyone know where to source some good "performance" turbo diesel information? Upgrades, transplants, mods etc? Not necessarily V8 either!
Its one of those "projects" Im planning to get to one day :p
Oldsmobile 5.7 V8 diesel, Gm 6.2 and 6.5L V8 diesel.... apart from their size, is there anything else thats good about them? no! Why do Americans hate diesels? because of these engines! That's what they think of when they thought DIESEL - back then....they are powerful compared to Ancient little Toyota diesels which is all we had in Australia, but what isnt? Even the Duramax is now looking old school. The new GM 2.9 V6 and the 4.5L V8 which will have around 260kw/800Nm is where it's at. About 10 yrs ago, i thought the 6.5L TD V8 was a good motor... i have moved on with the times, I hope everyone else does too!
Yanks hate Diesels because they can run an 8L Petrol for the same $$ as we run a small diesel, what would you pick for your Big Foot inspired Off road truck??
You are totally missing the point of their intended use and the other advantages that they bring (cheap to fix, run and buy, strong the list goes on!).
When stuck on the Gib River Road, I know which I would prefer. You would have to wait 3 weeks and pay big bucks to get spares for your v6.
You run with your cyber theories, I'll run with what works:thumbsup:
Danv8
20-03-2007, 08:41 AM
You run with your cyber theories, I'll run with what works:thumbsup:
Great quote. :)
chevypower
20-03-2007, 09:04 AM
Yanks hate Diesels because they can run an 8L Petrol for the same $$ as we run a small diesel, what would you pick for your Big Foot inspired Off road truck??
You are totally missing the point of their intended use and the other advantages that they bring (cheap to fix, run and buy, strong the list goes on!).
When stuck on the Gib River Road, I know which I would prefer. You would have to wait 3 weeks and pay big bucks to get spares for your v6.
You run with your cyber theories, I'll run with what works:thumbsup:
Mate, you're a twit, I know plenty of Aussies like the 6.5, i KNOW plenty of Americans HATE it.. perhaps you should go there and see for yourself, or are you the cyber junkie hypocrite you don't wanna be? Stop living in the past, not many Americans want an 8L petrol V8 anymore OR an old 6.5L diesel with 145kw!!! It's 2007, move on buddy
Oh and I am sure even in your 1995 world, there were plenty of service centres on Gibb River Road with plenty of spares for your 6.5! Yes you would have to wait for the 2.9L V6 to be in production to get parts for it, you are a smart cookie arent you.
Mate, you're a twit, I know plenty of Aussies like the 6.5, i KNOW plenty of Americans HATE it.. perhaps you should go there and see for yourself, or are you the cyber junkie hypocrite you don't wanna be? Stop living in the past, not many Americans want an 8L petrol V8 anymore OR an old 6.5L diesel with 145kw!!! It's 2007, move on buddy
Oh and I am sure even in your 1995 world, there were plenty of service centres on Gibb River Road with plenty of spares for your 6.5! Yes you would have to wait for the 2.9L V6 to be in production to get parts for it, you are a smart cookie arent you.
Now thats a bite :thumbsup:
Mate, I was in Texas two Months ago. It was like 4 by 4 heaven and no Diesels to be seen, plenty of huge petrols though!
My Cruiser is a 96 model and the 6.5 has been in it for over 5 years (you seeing a trend yet?).
I know where the V6 is at, just another point why it's no good for this application!
Now what do you think I should put in my Ski Boat?? It currently has a Blown 20 year old 350 Chev, Hydrogen Cell or ?? Back to Google for the answer:love:
chevypower
20-03-2007, 10:13 AM
Now thats a bite :thumbsup:
Mate, I was in Texas two Months ago. It was like 4 by 4 heaven and no Diesels to be seen, plenty of huge petrols though!
My Cruiser is a 96 model and the 6.5 has been in it for over 5 years (you seeing a trend yet?).
I know where the V6 is at, just another point why it's no good for this application!
Now what do you think I should put in my Ski Boat?? It currently has a Blown 20 year old 350 Chev, Hydrogen Cell or ?? Back to Google for the answer:love:
Yes i know, not many diesels are being sold there yet, but they know about them and there is growing demand for them, same as here (with little being offered by the manufacturers...GM just dropped the Vortec 8100 Do you really believe it's the engine of the future? Dodge has dropped the 8 litre V10, and word is there is little future for the Ford Triton V10. For your boat engine, why don't you try that Chevrolet dealership on Gibb River Road? Aparently it's next to the Chevrolet factory making engines that have been out of production for 10 yrs! Your better off finding an engine there which wasnt sold in Australia (other than 50 Suburbans) than a Global GM diesel engine which will be sold in Australia in volume. As i said, i USED to think it was a good engine (compared to the 80kw/350Nm 4L diesels that were being offered by the japanese at the time) - you wanna bring on more personal attacks to defend your opinion?
Yes i know, not many diesels are being sold there yet, but they know about them and there is growing demand for them, same as here (with little being offered by the manufacturers...GM just dropped the Vortec 8100 Do you really believe it's the engine of the future? Dodge has dropped the 8 litre V10, and word is there is little future for the Ford Triton V10. For your boat engine, why don't you try that Chevrolet dealership on Gibb River Road? Aparently it's next to the Chevrolet factory making engines that have been out of production for 10 yrs! Your better off finding an engine there which wasnt sold in Australia (other than 50 Suburbans) than a Global GM diesel engine which will be sold in Australia in volume. As i said, i USED to think it was a good engine (compared to the 80kw/350Nm 4L diesels that were being offered by the japanese at the time) - you wanna bring on more personal attacks to defend your opinion?
Mate, you threw this thread off track and the only "personal attack", mine was more a dig:love: You search the Net as much as you like, I would rather go and do it.
Read more carefully, you will see, I'm still loving my 6.5 (many others do also).
You start a thread (with relevance) on new tech Diesels and I'm with you 100% (but the last 2 pages here are not about that) but I still wouldn't put one in my Cruiser, because it's not all about technology and more KW's.
You would be suprised just how many of these are getting around. I needed a Starter on one trip (too many swims) it took one day and cost $300. This is a real world FACT, not an attack on you or belittling the newer engines (yes I will say it, BETTER Engines!!!).
Thanks for your input though.
Noah
CharlieDontSurf
20-03-2007, 09:37 PM
pistols at 10 paces boys!!
madmonaro
21-03-2007, 10:36 PM
Oldsmobile 5.7 V8 diesel, Gm 6.2 and 6.5L V8 diesel.... apart from their size, is there anything else thats good about them? no! Why do Americans hate diesels? because of these engines! That's what they think of when they thought DIESEL - back then....they are powerful compared to Ancient little Toyota diesels which is all we had in Australia, but what isnt? Even the Duramax is now looking old school. The new GM 2.9 V6 and the 4.5L V8 which will have around 260kw/800Nm is where it's at. About 10 yrs ago, i thought the 6.5L TD V8 was a good motor... i have moved on with the times, I hope everyone else does too!
4.5 V8 sounds goods for VE
German Statesman
22-03-2007, 09:44 AM
Geez, what a bloody blowup over nothing - relax boys, its the INTERNET :)
The 6.5s were indeed a petrol engine that was dieselised, but when you're in the company of BMW who did the same thing with their 2.5 petrol engine, its not a bad thing. Don't forget the original problem with diesels was their weight because of the block thickness to withstand the high combustion pressures and dieselising a petrol design provides the light block design.
The Duramax is a far better engine - designed by Isuzu exclusively for GM, its a powerhouse and does away with the 6.5s clattery idle and not-so-good combustion characteristics at idle. Its available as an atmo and turbo design, and its the same size and weight as the good old 454. The biggest bonus is its fuel economy over the 6.5.
Back to the 6.5s - they can blow head gaskets, the air cleaner bolts are a problem, they are notorious for oil leaks especially the rear main and rocker cover gaskets, but when they run well, you can't kill them. I have known of the odd dog or two (one of which was in a then-new GMC K3500) but the overall comments Ive heard are good. Brunswick Diesels in WA are experienced with them as are Linquip in Brisbane - both have websites you can google.
Some military HumVees were fitted with 6.2s and they are down on power compared to the 6.5. There were a lot of reliability issues that were in the 6.2 that weren't resolved until the 6.5 came out, but the 6.5 was well suited to the HumVee application - it was no racehorse but went on forever and a day on all sorts of crap diesel/jet fuel.
Hope that helps. :wave:
Cheers
JOHN
Danv8
24-03-2007, 04:07 PM
We used to have a 6.2 and a t400 in a series 3 jag, it was an awesome cruiser.
Like this one?
http://www.youtube.com/watch?v=TWxGM2XR2iY
VSSII
24-03-2007, 10:28 PM
Apparently the Suburbans had a habit of killing the ECU. Which I believe lives in the v8's well between the heads. I could not think of a sillier place to put it! I think GMH fixed most under warranty and many relocate it on the firewall. I happen to know someone who's recently purchased Sub suffered this fate (it was never fixed under warranty as this is the first time it failed) and he's looking at about $700.00 for a newy. Has anyone else suffered this fate? The car starts but will cut out after a few minutes with no fuel surge/warning. Under load they sound very mean, but the rattling idle is terrible for a family car.
Lennox
27-03-2007, 03:07 PM
Grest news.
TommyVTss
27-03-2007, 04:43 PM
great news? your pregnant?
ballbygm
28-03-2007, 03:51 AM
Hi All,
I hope I'm not too late to wade into this discussion. I would like to clear up an issue that seems to be prevalent
"I think all GM did was grab a 350 V8, got it to run on diesel, made it a 6.2L, and eventually made it a 6.5 with a turbo on it."
This comment was made a while ago, but I would like to point anyone who believes it in this direction.
en.wikipedia.org/wiki/List_of_GM_engines#Diesel (I'm not allowed to set this up as a link 'cause I have less than 10 posts, sorry)
Hope this helps.
To all the 'non-believers' out there, I have a NA 6.5l V8 in a 100 series Landcruiser and it turns heads!!! I am getting about 25% better fuel economy than the original 4.2l rubbish engine, 30% better power and 54% better torque. What's to complain about????
Chris....
(I got my signup name wrong, it should have been BALLSBYGM....;)
Danv8
28-03-2007, 08:45 AM
Hi All,
I hope I'm not too late to wade into this discussion. I would like to clear up an issue that seems to be prevalent
"I think all GM did was grab a 350 V8, got it to run on diesel, made it a 6.2L, and eventually made it a 6.5 with a turbo on it."
This comment was made a while ago, but I would like to point anyone who believes it in this direction.
en.wikipedia.org/wiki/List_of_GM_engines#Diesel (I'm not allowed to set this up as a link 'cause I have less than 10 posts, sorry)
Hope this helps.
To all the 'non-believers' out there, I have a NA 6.5l V8 in a 100 series Landcruiser and it turns heads!!! I am getting about 25% better fuel economy than the original 4.2l rubbish engine, 30% better power and 54% better torque. What's to complain about????
Chris....
(I got my signup name wrong, it should have been BALLSBYGM....;)
Contact one of the mods and see if they can correct it for you.
Also welcome too. :)
Hi All,
I hope I'm not too late to wade into this discussion. I would like to clear up an issue that seems to be prevalent
"I think all GM did was grab a 350 V8, got it to run on diesel, made it a 6.2L, and eventually made it a 6.5 with a turbo on it."
This comment was made a while ago, but I would like to point anyone who believes it in this direction.
en.wikipedia.org/wiki/List_of_GM_engines#Diesel (I'm not allowed to set this up as a link 'cause I have less than 10 posts, sorry)
Hope this helps.
To all the 'non-believers' out there, I have a NA 6.5l V8 in a 100 series Landcruiser and it turns heads!!! I am getting about 25% better fuel economy than the original 4.2l rubbish engine, 30% better power and 54% better torque. What's to complain about????
Chris....
(I got my signup name wrong, it should have been BALLSBYGM....;)
My point and the original intent of this thread, now after a review of all this again, I was a little harsh!
So sorry Chevypower, your view/info is correct for the modern era. So for the new Diesel Commodore or conversion (if you would do it??) you got my vote:love:
Chris, Did you do the conversion or Brunswick? Turbo?
traumadog
28-03-2007, 12:59 PM
Just my $0.02...
The GM diesels were good for their day. Have things moved on? Sure. But most heavy-duty truck owners liked their diesels, much more than the gasoline V8's. And for the most part, the blocks were dedicated diesel blocks, not re-sleeved gasoline ones.
Now mind you, the earlier non-common-rail-injected diesels all had soot problems, and were down-on-power from even the carbureted V8's. And with gasoline being relatively inexpensive here, most chose gas over diesel for passenger apps. And the biggest thing to kill the diesel in a general auto sense was the 5.7L Oldsmobile-sourced diesel used at the height of the gas crunch in the late 70's. GM got the head bolt spec wrong, and people expected them to act like gasoline engines. A couple improper starts lead to head warpage and gasket failure, which allowed coolant to collect in the cylinder and boom - the engine failed with the next compression cycle.
And with that history, plus a US mandate for all engines, regardless of fuel, to have the same emissions - made diesel a losing proposition in the US. Of course, now with high-pressure common-rail technology, and apps like Bluetec, that's changing.
Now that all being said, I still own a 1981 5.7L Diesel Cadillac Eldorado (which has all of 105 HP) - which is probably the only one left in New York State.
ballbygm
29-03-2007, 12:15 AM
I have a friend with a new (12 months old) VW Golf 2.0TDi. This thing is quick, quiet and fantastic on fuel, about 6l/100km. More power and torque than my original 4.2l rubbish engine.
Yes, the 6.5l GM diesel is old technology, but that doesn't automatically make it bad. It just means that the world has progressed (a good thing?) and the new tech is more 'refined'. Look at the new Toyota V8 diesel spec; 4.4 litre, 223KW, 580NM. That will be a seriously nice machine, but a what cost? I can head up any bush track and know that, god forbid, should I have a problem with the 6.5 just about anyone who can spell 'diesel' will be able to work on it (not that I'd let them!!!). Try that on one of these new CRD engines. Most have a bunch of electronics driving the fuel system and need a plug-in diagnostic tool to even start to know what's going on. Don't see too many of them up the Gibb River Road.
Noah - Brunswicks did the job for me, just because they put a 6.2l in my old 60 series, after a friend of mine bought it from me, and I was so impressed with the workmanship and professionalism of them. I've done everything else on the vehicle (and the list is long!!) It's a non-turbo (for the moment). I see you have a turbo. I would love to meet up with you and have a good look at a turbo setup. I have been thinking of fitting a turbo to mine for a while now.
Chris.............
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