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1994.5 - 1997 7.3L Power Stroke Diesel  

The "Mule" Build

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Old Dec 4, 2022 | 06:45 PM
  #1021  
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The Welds 😍
 
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Old Dec 4, 2022 | 07:26 PM
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Originally Posted by Hit Man X
The Welds 😍
Si, lots of vatos compliment them and the truck all the time, the hub caps is what IMO give them the look, better looking than the little caps just covering the hub and not the lug nuts
 
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Old Jan 5, 2023 | 06:55 PM
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So this happened today.







What I thought was an injector going bad then a injector cup turn out to be something way worse looks like I either have a head gasket leak or cracked head/block who the F knows, pressured tested the cooling system to no available. So engine is coming out soon l, might put the other engine I have at the machine shop and throw it at the OBS, and fix the OBS engine and throw it on the 00 which I think will be the plan. Engine had to come out anyways as I had front timing cover leak from when the engine oil cooler took a dump letting oil into the coolant.
 
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Old Jan 5, 2023 | 07:01 PM
  #1024  
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Oh took out that injector because that's the cylinder that blew blueish/great smoke in the morning, I'm sending it out to get checked just in case. Also you could see the coolant dripping from the valve cover, I feel deja vu all over again from when my last mill took a ****
 
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Old Jan 5, 2023 | 08:48 PM
  #1025  
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Well, puta madre! Hopefully just a cylinder head gasket.
 
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Old Jan 6, 2023 | 08:17 AM
  #1026  
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That's the shlts!
 
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Old Jan 6, 2023 | 04:02 PM
  #1027  
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Finally the other mill is done, might wait on installing it on The Mule, that way I can take my time in investigating the Mules mill and see what the fak went wrong.








 
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Old Jan 6, 2023 | 09:45 PM
  #1028  
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When you put that mill in, did you put head gaskets on it?

that is no fun
 
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Old Jan 7, 2023 | 02:09 PM
  #1029  
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Originally Posted by 97-psd
When you put that mill in, did you put head gaskets on it?

that is no fun
Yes, installed OEM gasket which came with the FoMoCo rebuild kit. I did re use the old bolts I think. Could of that been the problem? I doubt it since they are not TTY bolts but who knows. I'll look into it further when I remove the mill out.
 
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Old Jan 7, 2023 | 07:21 PM
  #1030  
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Wow, that sucks, glad your other engine is ready though!
 
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Old Jan 22, 2023 | 11:46 AM
  #1031  
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So an update.

I installeed the engine on my 00 but apparently there was a crack in the injector nozzle bore in the head which went all the way to the cooling cavity, there was no way of yell bg with out removing the old cups which I didn't touch, so the truck now has another head in the machine shop and doing both head gaskets just because I like doing work twice

So now on to the Mule.
Since the lesson on the other mill I decided to just remove the injector cup on the offending cylinder, to see if that is the problem and not the head gasket, engine still has to come out to do the timing cover gasket. This time I'm taking Bomb's advise and smother the gasket with TA-31 as well, might be the time ng cover that's corroded though, but I have spares just in case.

Installed new cup, old cup doesn't have any signs of failure that I see but we'll see.









​​​​​​
 
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Old Jan 22, 2023 | 11:50 AM
  #1032  
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Also check this crappy coolant out, looks like oil but smells like diesel?

First drain of coolant


Remainder of coolant.



Looks like dam oil but smells like diesel, might have different problems we'll see if this works.
 
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Old Feb 1, 2023 | 07:00 PM
  #1033  
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After letting the injector cup cure for a few days, same outcome smokey when cold but it's a faulty injector as compression is over 410 PSI. But the timing cover is letting coolant go back into the crank case and oil into the cooling system. So good/bad news although I feel more relieved.

Engine removal should come in a couple of weeks. Already bought new gaskets and a tube of TA-31 might end up using another timing cover just in case.
 
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Old Feb 1, 2023 | 08:55 PM
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Definitely a mix bag of news. Hope you get it squared away without more trouble. So I guess the new mill is going in the SD?
 
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Old Feb 1, 2023 | 10:40 PM
  #1035  
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Hell, I wish Rojo had compression all of 300psi
 
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