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4wheel_cowboy
05-08-2005, 10:34 AM
im looking at a 86 diesel blazer with 6.2L diesel and a 3 inch lift and 33 inch tires, but it has 320***kms, how much life does this truck has? cause i have a buddy that has a suburban diesel with 400,000 miles on it and runs good :redneck , but i just wanna know cause the truck is $2000

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88 Samurai
94 Dakota
79 Dodge Adventurer

surreysinner
05-08-2005, 10:45 AM
I have a 96 6.5t/d and im not impressed with it for power, but reliability is good.

I have not heard good thing about the 6.2 from the sites I goto.

Try this site for reference www.gm-diesel.com

bakelite
05-08-2005, 10:59 AM
Buddy of mine has one and is always trying to sell it, about the same mileage but it's real gutless and people are scared of the diesel if anything goes wrong it costs too much to fix. It's too bad, it's a 3/4 ton truck and in really nice shape too.

kootenaycat
05-08-2005, 02:17 PM
quote:Originally posted by bakelite

Buddy of mine has one and is always trying to sell it, about the same mileage but it's real gutless and people are scared of the diesel if anything goes wrong it costs too much to fix. It's too bad, it's a 3/4 ton truck and in really nice shape too.





Not sure what a longblock 6.2 would cost, but I think used ones are out there. Gutless, but get great fuel economy.

If the body is mint on that blazer, I think $2000 is a good deal, even if you have to do a SBC swap down the line!

u2slow
05-08-2005, 05:27 PM
I'm at 287,000km on mine and it feels good. My spare 6.2L is over 300,000km and is going into my '91 crewcab. (I had enough of the 350TBI [16]).

Radiator is a big $$$ mofo. Starter is also $$$. An IP is a pricey rebuild. A TH700 is a few bux too. If any of these items have been done recently, it sweetens the deal considerably.

4wheel_cowboy
05-08-2005, 06:21 PM
He said the Tranny was rebuilt 2 years ago

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88 Samurai
94 Dakota
79 Dodge Adventurer

black_k5
05-08-2005, 07:11 PM
i have a 6.2 in my jimmy, has over 500k. dude i bought it from said he replaced the engine, not really sure how many are on it now. it's a bit gutless but easier on fuel.

86 k5, 6.2 diesel, 5" lift, 35" bfg a/t's

4wheel_cowboy
05-08-2005, 07:27 PM
how many mpgs do you get out of it?

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88 Samurai
94 Dakota
79 Dodge Adventurer

REDNECK-WELDING
05-08-2005, 07:57 PM
i got a 91 (newer style) 6.2 in my gmc 1/2ton with 35's on it and i and does good. it has lots of km. my friend has a 6.2 and i can take it. mine still has lots of power. it all depends on how it was kepy before. regular oil changes and stuf. im happy with it i gett about 22mpg (35.2km) with my 35s not to bad for a fullsize.

72 GMC 3/4 TON ON 38.5 BOGGERS,SHORTBOX STEPSIDE 8INCH LIFT, WITH CAM INTAKE HEADERS, 3INCH EXAUST. CADILLAC ELECTRIC SEATS
91GMC DIESEL 5.5INCHS ON 35'S , STRIEGHT PIPE

wade and cleatus
05-11-2005, 11:51 AM
As long as its not the crappy gas engine gone diesel 6.2 it should be gooder. The tranny was probably rebuilt because its a 700r4, you should get about 60k out of it before it pooched again.

~A bird in the hand is worth 2 in the bush~

4wheel_cowboy
05-11-2005, 01:47 PM
how can you tell if its a "gas eninge gone diesel"

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88 Samurai
94 Dakota
79 Dodge Adventurer

u2slow
05-11-2005, 04:55 PM
quote:Originally posted by wade and cleatus

As long as its not the crappy gas engine gone diesel 6.2 it should be gooder.

There was a 350 diesel based on the Olds gas engine. Nobody seems to forget about it. [16] The 6.2L is a 'real' diesel engine.

I get maybe 15mpg on my 6.2L - but I have a TH400. Better mileage numbers come with a TH700 or an manual trans.

REDNECK-WELDING
05-11-2005, 08:00 PM
ya i get 22mpg pretty much everytanks 35's with a 700r with 3:73 gears

72 GMC 3/4 TON ON 38.5 BOGGERS,SHORTBOX STEPSIDE 8INCH LIFT, WITH CAM INTAKE HEADERS, 3INCH EXAUST. CADILLAC ELECTRIC SEATS
91GMC DIESEL 5.5INCHS ON 35'S , STRIEGHT PIPE

1_ton_k5
05-15-2005, 01:01 PM
As Kevin pointed out the 6.2 is not a converted gas engine. It was designed and built from the ground up by detroit diesel for GM. The 5.7 that preceded the 6.2 was based on an Olds 350 and there were a ton of problems with them.

I have the 6.2 with an SM 465, 4.56's and 39.5" TSL's and I average a tick under 20 mpg on the freeway. My 6.2 has 360,000 km's on it and still runs strong. IP's are a little spendy...if you try local. BD power wants something like $1200 for a rebuilt one. If you go to www.accuratediesel.com you'll do much better. I got my IP and 8 injectors rebuilt through them and with shipping back and forth it cost me $347 US. About the same as buying a brand new carb...

The reason most 6.2's feel so gutless is the brutal factory gearing. Many came with 3.08's and overdrive...factor in the loss through the auto tranny and they are gutless. With deeper gears the 6.2 has plenty of power IMO...not much worse than my old 355 anyways.

A maintained 6.2 should go 300,000 miles before needing to be rebuilt

Rene

81K5,6.2,465,205,60,14,4.56,40's

BeerBaron Sr.
05-31-2005, 05:07 PM
I have a "91" 2500 series 4x4 6.2,L80E tranny,they feel lathargic at first compared to a gas motor but you will get over it.
If your not pulling a big trailer or camper they have adequate power.I have tracked my mileage several times to and from Prince George , 24-26 mpg,not bad for a full size truck,has been far more reliable than any gas truck I ve owned.With GOOD BATTERIES and new glowplugs thers not much else to go wrong[very simple setup].
Very smooth running an Quiter than any other diesel truck by far,
buy it, you will like it,just give yourself time to get use to the way diesels work[alot different than a gas motor]

REDNECK-WELDING
06-01-2005, 06:41 PM
you betch ya just takes a little getting use to

72 GMC 3/4 TON ON 38.5 BOGGERS,SHORTBOX STEPSIDE 8INCH LIFT, WITH CAM INTAKE HEADERS, 3INCH EXAUST. CADILLAC ELECTRIC SEATS
91GMC DIESEL 5.5INCHS ON 35'S , STRIEGHT PIPE

stuckle
06-05-2005, 06:32 PM
the heads on the 6.2 liter diesels arn;t the greatest. I had a friend who cracked the valve cashing right out of the head driving down fraser highway...its up to you tho...the 6.5 were better

1992 Full Size Blazer, 31 inch BFG's, Stock Drivetrain
Soon to Come:
6 inch Lift and 35's

1_ton_k5
06-12-2005, 10:40 AM
So, you know of one person that cracked a head on a 6.2...and therefore they are all junk? I know plenty of people that have cracked heads, thrown rods, dropped valves in small block Chev's...yet I know they are decent motors.

As any engine get's older and worn...and get's less and less maintenance you're gonna see catastrophic failures.

Rene

81K5,6.2,465,205,60,14,4.56,40's

1_ton_k5
06-12-2005, 10:42 AM
One other thing, the 6.2 and 6.5 are virtually identical aside from the bore size...so to say one is vastly better than the other is pretty uninformed.

Rene

81K5,6.2,465,205,60,14,4.56,40's

stuckle
06-12-2005, 10:43 AM
well..from my experience there not that good....others will say diffferent tho...

1992 Full Size Blazer, 31 inch BFG's, Stock Drivetrain
Soon to Come:
6 inch Lift and 35's
Solid Axle Front End
Corp 14 Bolt Full Floater Rear End

ottoman
06-22-2005, 07:39 AM
their not the best engine but if you get one that runs good it'll usually be pretty reliable.
i had a 84 diesel crew cab with a t400 and 4:10 gears and it was cheap to run and slow getting up to speed. but i could load the piss out it and never got any slower and usually it got better milage loaded.

viking666
06-26-2005, 07:22 AM
I'm looking to buy a 6.2 diesel motor

if any of you have one your selling or want to get rid of I have a cube van waiting for a donor sitting at my shop taking valuable space

boris
07-01-2005, 06:37 PM
scrap it [5]

http://img.photobucket.com/albums/v630/1978bronco/chick.gifMERCURY
Better than a Ford but not quite a Lincoln

Dieseljeep
07-02-2005, 07:31 PM
A co worker has 0ver 590,000 kms on his stock 6,2 never a problem with it other than regular maintenance type stuff like starters,oil changes ,alts water pumps,batteries. He has yet to do an injector pump or injectors.

85 Turbo Diesel XJ
Lots of mods.
Water cover75% of the Earth -Jeeps cover the rest!

ottoman
07-08-2005, 10:08 AM
injector pump is coming
they all go

Hambone
07-08-2005, 01:13 PM
We have an '82 K5 at the house. I is basicly completly stock except for the cherrybombs ( which we regret putting on, damn thing was loud enough) The motor itself has almost 700,000 miles on it and besides replacing a glowplug, an alternator belt and changing the oil, the motor has never been touched. Now for the transmission thats a different story. We have owned it for 11 years and my fathers boss bought it off the dealership new. It has had 9 transmissions rebuilt in it throughout its life. Id say that it has a lot more miles left on it and only time will tell.

[!] FORD