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WWII Dodge VC, VF, WC 1/2 ton, WC 3/4 ton, including weapons carriers, carryalls, command cars, ambulances, & WC 1-1/2 ton 6X6

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Old 10-01-2017, 07:53 AM   #2701
The Other Ross
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Detroit maybe?
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1964 w300 440 9' utility bed
1972 w200 440-III,445 4 speed,Dana 60's w L/S
1975 d500 flatbed dump
1990 D350 Cummins 5 speed one ton flatbed(ugly maybe donor for ???)
1998 3500 12 valve Cummins Quadcab 4x4 Dually
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Old 10-06-2017, 07:39 AM   #2702
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Detroit maybe?
Correct.
Its a 4-53T Detroit, but the turbo is missing from this one. Factory tune is 170 hp / 420 lb-ft at 2500 RPM. Its also known as a "Screaming Jimmy" because of the 2 stroke nature. The engine has a large displacement turbo that feeds to a supercharger mounted to the side of the engine block; so yea a turbo feeding a supercharger in a 2 stroke is an interesting sounding machine, especially with 4 exhaust valves per cylinder, and zero intake valves. I messed with it some and it had 3 stuck injectors from sitting. I freed up 2 of them but the last one won't budge. I put the valve cover back on it and it will go in storage until I can mess with the other one.
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Old 10-12-2017, 11:42 PM   #2703
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My Cummins is having a hissy fit.

Not sure what the issue is. I notice the sound had changed - almost like a sticky valve or tappet slap and along with that the power dropped off. At idle the engine vibrates way more and the ticking noise is easy enough to hear over the regular noises the engine would make. I have never pulled diesel injectors and would not know a stuck injector from a working one. About all I have done so far is climb under the truck and tighten a supply line that may have been leaking. if it is not raining tomorrow I will trace out the rest of the line and tighten every fitting and look for leaks. I now see the advantage of having a clear line before the lift pump.
You get to see if there is air in the supply line.
I guess my next step is to check the valve lash and then pull the injectors. It would be nice to have some spare injectors and drop them in. I am glad this did not happen on a road trip. No white smoke but I think there is more smoke when I have it under load.

This is so fun. And here I was planning a trip across the boarder with a bit of tuning before hand. Not going to happen for awhile now.
I doubt it is a blown head gasket - that would not explain the ticking noise.
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Old 10-13-2017, 04:27 AM   #2704
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Have you tried bleeding the injectors first? If you did get air in the system that would tell you and is an easy enough thing to try before yanking injectors.

Hopefully it's nothing big. These engines may not go bad often, but it's not cheap once they do.
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Old 10-14-2017, 10:14 AM   #2705
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Might be air.........

Pulled the filter and it was 1/2 empty. Stuck a clear line on the pump and we pumped air for quite awhile. The top of the pump has a can on it and a screw in the middle of the can. This can seemed to be loose. So we swapped the pump back to an old one. A bunch of pumping and the line ran clear. We thought we had the issue solved, bled the injectors multiple times. Was at it for 3 hrs and I had two helpers. Cummins would not fire. Next thing to do is to change the filter- check the old one for air and run a feed line directly to the pump from a jerry can. I need to pick up some fittings and lines for that one. Of course it is raining and I was going to hit a 4x4 truck show today to see what free stuff I could get passed my way. Not going to happen. " my diesel ran for 500,000 miles and I never touched it" yah right. " my diesel ran for 5000 miles and showed me who's boss"
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Old 10-16-2017, 06:32 AM   #2706
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Must be Contagious through this thread

I went to fire my Common Rail this weekend and it is giving me fuel issues too. The lift system has a leak at the fuel temp sensor and then the fuel rail itself is leaking at the high pressure relief valve. When I bought the engine, it had a sticker that said "Replace, Maybe" on the valve... well, the maybe is a yes because it is leaking like a sieve and evidently if they are ever removed they must be replaced as per the service manual for my engine.

In regards to your mechanical engine, do you have an air separation system like a FASS? Honestly, could it just be a bad batch of fuel? Happened to my bud's truck. He spent thousands trying to get it to run right. Then finally one night of messing around with a new lift pump we were running it out of a fuel can on the floor and even without the lift pump, just running off the injection pump vacuum, it fired and ran better than it had in months of messing with it. We drained the tank and the fuel had a heavy viscosity with globules of grease in it.
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Old 10-16-2017, 09:00 AM   #2707
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Update on the cummings

I picked up a new fuel can and fuel from a different source. Ran clear line to the lift pump and pumped it until the line was clear. I bled the line at the bleed port and cracked all the injector lines one at a time ( as the manual dictates) and have had no luck so far. Working under a tarp because the truck is outside and the rains have started. The truck sounds like it wants to run. The solenoid on the pump should be working. The engine just cranks when it is has no power run to it and the engine tries to start when there is power run to it.
Going to play with it for a few hours more and then I will pull the injectors and do a compression test. Unfortunately I then need new seals for the return lines and what not.
Took the day off yesterday, I was set up but kept getting interrupted, when I was asked to go for a hike, I packed it in and got about 8 miles in the bush.

Let us know when you fire that engine up. You will love how quiet it is and the extra power over the 4BT.

take care
Bruce
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Old Yesterday, 06:29 AM   #2708
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Well, I replaced the FPRV on the rail... and the leak stopped but still no fire. I am having trouble getting the ECM to "wake up" basically. The TCM for the Allison will click on and hum but the ECM is acting like nothing more than a wheel chock. I was able to get the FCA to cycle by jumping pins though the connection point so I don't think the ECM is "bad" persay but maybe I am having some sort of connection issue. I have good continuity in the ground system so I am going to look into issues with the plug connection to see if I have a loose or dirty pin or two. At first I feared the ECM was cooked but after getting a few responses from it, I'm thinking its something else.
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Old Yesterday, 09:52 AM   #2709
Bruce in BC
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Computer stuff can be so much fun

I suspect it will come down to connections, hopefully the system is not so finacky that a longer wire, or a bigger wire will throw the signal off. You will get there, just gotta be patient and I know you are good at this stuff.
Yesterday I hit up a few shops looking for a dead B injector. I wanted to make an adapter and do a pressure test. My list of things to look at was getting shorter and I wanted a diesel compression tester. Found a hydraulic fitting that fit and had a hydraulic line made up and a liquid filled 500 PSI guage. Looks like I have a blown head gasket, either that or I plugged up the guage. First reading was 200 psi and the next cylinder was zip and the one beside it was zip as well.
So I am going for a stud kit. Not sure about the head gasket set. Cummins head gasket set would be 5 times that of what the off brand kits are, have not checked out Felpro prices. Not sure if I will O ring the head or not.
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Old Yesterday, 08:11 PM   #2710
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Originally Posted by Bruce in BC View Post
I suspect it will come down to connections, hopefully the system is not so finacky that a longer wire, or a bigger wire will throw the signal off. You will get there, just gotta be patient and I know you are good at this stuff.
Yesterday I hit up a few shops looking for a dead B injector. I wanted to make an adapter and do a pressure test. My list of things to look at was getting shorter and I wanted a diesel compression tester. Found a hydraulic fitting that fit and had a hydraulic line made up and a liquid filled 500 PSI guage. Looks like I have a blown head gasket, either that or I plugged up the guage. First reading was 200 psi and the next cylinder was zip and the one beside it was zip as well.
So I am going for a stud kit. Not sure about the head gasket set. Cummins head gasket set would be 5 times that of what the off brand kits are, have not checked out Felpro prices. Not sure if I will O ring the head or not.
Oof, I hope that its not the head gasket but if it was do you think it happened suddenly?

You were right... Mine was connections; had a few bad pins at the ECM connection and the gasket for the weaherpak type connection had come loose and was getting in-between pins and bending them when you closed the Cam lock handle to engage the pull down connection.

So it lit off. Ran really rough at first but the engine hasn't run since 2005 when it was pulled from the wrecked truck.

https://www.youtube.com/watch?v=x6T4d-tG0dc

https://www.youtube.com/watch?v=sFW_f0BYGQQ
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Old Today, 07:09 PM   #2711
Bruce in BC
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ITS ALIVE !!!! with apologies to Mel Brooks.

Well done Alex, I love the smile on your face when the truck lit up. Happy Birthday to your truck, I gather it has reached the ripe old age of 75 years old today. I am dragging my rear getting the shop cleaned up so I can get my Carryall inside - I know it will not be easy. Both cleaning up and moving stuff. I did order the studs for the head this morning, they should be here by the Saturday.
take care
Bruce

edit: sounds like Jim is having fun with his brakes - the fluid goes in and then it comes out all over the place.
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