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B-73 Restoration


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O my ! Im sorry about the engine problem ,, I have had a few Cummins getting coolant in the pan , hopefully when you pull the pan you can add a little pressure while it’s still full of coolant and see were it’s dripping down at ,, I have the same concern about my 220 because even though I was the last to drive it with a load , and it ran great,, it’s been setting since 1990s , I have started it and it’s full of coolant, but I’ve not worked it. 

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The jury is still out, but this isn't good. I only drained about 2 1/2 gallons of antifreeze from the radiator and about 15 gallons of grey soupy mess from the pan. I had a piece of o-ring come out while draining it. Eventually got the pan down and found a large quantity of sleeve pieces laying there. I think its at least two different sleeves judging from the color of the o-ring materiel. Still no idea how bad the crank is and now i'm worried about the block having some damage too. Tomorrow I'll continue to dig into it by removing the heads and hopefully the rods/pistons as well.

I'm keeping my fingers crossed that both the crank and block will survive, but with these big pieces I'm very skeptical. And it still didn't seem to be skipping when I moved it yesterday. I only ran it long enough to get some air pressure to get the maxi's off and move it at an idle

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41 minutes ago, mattb73lt said:

I may have lucked out with the block. I was just looking up inside and it looks like the lower skirt on the sleeve of #6 fractured and dropped off. Breaking up in the process. Crappy picture as my camera wouldn't focus on it. Everything else is intact.

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Might have been rotted around the groves for the O rings.  This isn't looking like an easy fix by any means, but it may not turn out to be much more than basically an "in frame"   Hopefully you'll get lucky.

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20 minutes ago, Mark T said:

Might have been rotted around the groves for the O rings.  This isn't looking like an easy fix by any means, but it may not turn out to be much more than basically an "in frame"   Hopefully you'll get lucky.

It needs to come out. I don't trust the sleeves that are left. It needs to be gone through completely and I need to have some confidence in it when I'm far from home. 

That's where it seemed to have fractured, right around the upper groove for the o-rings.

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I can’t recall seeing that happen before, I have had the top flange break and drop the complete liner, probably all caused by setting for years,,, mine may be the same way. Hopefully just cylinder kits , bearings and gaskets. It’s just a big hassle to pull it having to take care of all the perfect paint. 

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Yep pull the rest of the liners, I would but I dunno my ass from elbow 

Lets try and think what has caused this, crook installation of liners ?

Maybe some water was in there and froze ?

Maybe some cheap ass liners from Chindia or somewhere 

No matter, if it happened to one liner there's a fair chance the rest could be the same

You can have no destructive crack testing done pretty easy and cheap and you'll know for sure

Pretty unlucky for this to happen but also pretty lucky to find it this early when everything is clean and easy to undo

 

Paul

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13 minutes ago, 1961H67 said:

I can’t recall seeing that happen before, I have had the top flange break and drop the complete liner, probably all caused by setting for years,,, mine may be the same way. Hopefully just cylinder kits , bearings and gaskets. It’s just a big hassle to pull it having to take care of all the perfect paint. 

Yeah, I think it's age and fatigue related. About 4"s of the sleeve broke off.

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Just now, mattb73lt said:

I'm pulling it back out. I don't trust what's left in there. 

That would be my plan as well 

I  would know any of the mistakes made are my mistakes not some else's 

And if I put something a bit dodgy back in I know what it is 

Good luck with it 

 

Paul

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It's a project. Point I was trying to make was the block and crank might not be compromised. That milky oil needs to come out of everything too  . ( Jake's )  old engines were prone to putting, they didn't have as many products to help prevent it years back. Sitting for years then....  

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3 minutes ago, Mark T said:

It's a project. Point I was trying to make was the block and crank might not be compromised. That milky oil needs to come out of everything too  . ( Jake's )  old engines were prone to putting, they didn't have as many products to help prevent it years back. Sitting for years then....  

It all needs to get flushed out and checked. It's always a risk waking up something from a long slumber.

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Just now, Mark T said:

The pieces look big, which means less chance they made it through the screen.  

Yeah, don't think the smaller pieces did. I'm going to cut the filter open and check the paper element. We always did that during an aircraft oil change just to mack sure nothing was making metal.

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I’m not trying to rub salt in your wounds.  How much will you have to take the truck apart to get the engine out and how will you avoid messing up the paint?  I’m no mechanic.

 I’m sorry for you loss.  Thoughts and prayers and all the other dumb stuff that people say.  I know you can fix it though.  Mike.   

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3 minutes ago, yarnall said:

I’m not trying to rub salt in your wounds.  How much will you have to take the truck apart to get the engine out and how will you avoid messing up the paint?  I’m no mechanic.

 I’m sorry for you loss.  Thoughts and prayers and all the other dumb stuff that people say.  I know you can fix it though.  Mike.   

I’m going to pull the hood, fenders and radiator off and store them until the engine goes back in.. The rest I’ll leave where it is until it goes back in. All that should go faster than when I was putting it together, as all the fabrication and hardware is there now. The engine will go back into the shop for more work. It’ll need to go out for some work, but I’ll do most of it. I was on the phone and internet a lot today, sourcing parts and services for the rebuild.

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