So simple. So reliable So robust! One HUGE, short double roller chain. Easy to work on. NO BELT DRIVE OIL PUMP! Mine's in a 1988 P22 Air Force step van!
I have heard the cam and lifters were supplied by Stanadyne. Forged steel and hardened. I just did a low buck rebuild on a GEP block for a CUCV and have a lifter knock now. I'm sad I tossed my 6.2 lifters. Now I have to buy an aftermarket lifter.
I have one in my 80 dually , They are the equivalent of a stock 350 chevy in power with better fuel economy ... They have an unwarranted bad reputation .. No turbo and they were on par with other diesels of the era as far as power was concerned ..They sound good like a diesel should .. not a lot of support for these anymore .. EIther people despise them or they love them like a reheaded stepchild ...
Not even close to a stock sbc these pigs made 130hp new and I think it was a bit overrated, I do love these engines dont get me wrong I still have 5 of them and drive 1 everyday, but a stock 305 will well outperform the 6.2 and a 350 is like 3 of these engines and would still prolly weigh less, the good thing about these engines they last forever and run used oil and you can drive them for free
@@MattsMadnessOfficial The one i have has 160 hp and 275 lb torque ,, a similar 350 of 1980 had 180 hp and 275 lb torque ,, the diesel had all of its torque in by 2000 rpm the gas was higher in the rpm band ..
@@MattsMadnessOfficial no heavy duty j code 6.2s made close to 300 ft/lbs @2000 rpm. Much more torque for doing work than a 350. Maybe not a vortec 350 but definitely a tbi
Also if you know its going to be bad you can pull the rocker shafts out so all valve are closed and adapt a grease jerk to the glow plug hole use a grease gun
Watching this teardown i was hoping to see how your fuel pump was connected to the injector pump. It looks like it did not have the secondary fuel filter. So fuel is pulled by the fuel pump through the primary fuel filter and pushed through my secondary fuel filter thouugh the fuel heater line to the injector pump. I could not see how yor fuel was sent to the injector pump from the fuel pump, could you explane it to me I have a 1983 k10 6.2 diesel. Am.have air getting into the system.
The military 6.2's were the "J" codes with HD Emissions. They were specifically tuned to provide optimal mpg with the advertised HP. They weren't designed to be hot rodded. A lot of people who bought these as surplus automatically want to mess with pumps to increase fuel delivery. We experimented with this in 1984. You will get 1 of 2 results, the engine will gain 5-7 HP and fuel mpg will decrease. The second result will cause the engine will smoke like hell. The nice thing about these engines is that the max torque was developed about 2100 rpm.
So simple. So reliable So robust! One HUGE, short double roller chain. Easy to work on. NO BELT DRIVE OIL PUMP!
Mine's in a 1988 P22 Air Force step van!
These engines were pretty ahead of their time. The cam and lifter set up is very similar to an LS.
I have heard the cam and lifters were supplied by Stanadyne. Forged steel and hardened. I just did a low buck rebuild on a GEP block for a CUCV and have a lifter knock now. I'm sad I tossed my 6.2 lifters. Now I have to buy an aftermarket lifter.
@@87cr250r are there any markings or numbers that indicate a standedyne lifter.
I have one in my 80 dually , They are the equivalent of a stock 350 chevy in power with better fuel economy ... They have an unwarranted bad reputation .. No turbo and they were on par with other diesels of the era as far as power was concerned ..They sound good like a diesel should .. not a lot of support for these anymore .. EIther people despise them or they love them like a reheaded stepchild ...
Not even close to a stock sbc these pigs made 130hp new and I think it was a bit overrated, I do love these engines dont get me wrong I still have 5 of them and drive 1 everyday, but a stock 305 will well outperform the 6.2 and a 350 is like 3 of these engines and would still prolly weigh less, the good thing about these engines they last forever and run used oil and you can drive them for free
@@MattsMadnessOfficial The one i have has 160 hp and 275 lb torque ,, a similar 350 of 1980 had 180 hp and 275 lb torque ,, the diesel had all of its torque in by 2000 rpm the gas was higher in the rpm band ..
@@MattsMadnessOfficial these things beat the 350 in terms of torque and economy.
@@rock-uu7qr fuel milage yes all day, torque not at all the stock 305 makes more torque and more hp
@@MattsMadnessOfficial no heavy duty j code 6.2s made close to 300 ft/lbs @2000 rpm. Much more torque for doing work than a 350. Maybe not a vortec 350 but definitely a tbi
Also if you know its going to be bad you can pull the rocker shafts out so all valve are closed and adapt a grease jerk to the glow plug hole use a grease gun
wet a rag with diesel let it burn out in the hole, do that a few times and it will come apart without tearing shit up
Watching this teardown i was hoping to see how your fuel pump was connected to the injector pump. It looks like it did not have the secondary fuel filter. So fuel is pulled by the fuel pump through the primary fuel filter and pushed through my secondary fuel filter thouugh the fuel heater line to the injector pump. I could not see how yor fuel was sent to the injector pump from the fuel pump, could you explane it to me
I have a 1983 k10 6.2 diesel. Am.have air getting into the system.
I have heard the military versions hold up better than the normal ones. Is that true?
The military 6.2's were the "J" codes with HD Emissions. They were specifically tuned to provide optimal mpg with the advertised HP. They weren't designed to be hot rodded. A lot of people who bought these as surplus automatically want to mess with pumps to increase fuel delivery. We experimented with this in 1984. You will get 1 of 2 results, the engine will gain 5-7 HP and fuel mpg will decrease. The second result will cause the engine will smoke like hell. The nice thing about these engines is that the max torque was developed about 2100 rpm.
Where could I get a used '94 6.5L turbo intake manifold with EGR (or with EGR cover plate) pls?
From me
It is easy to swap the engine to a diesel from gasoline engine to into a diesel engine