Think this is what killed my motor?

Discussion in 'Mustang Chit Chat' started by Marble, Feb 19, 2018.

  1. Marble

    Marble forum member

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    I will take some photos. It will probably be torn down to just the rotating assembly and then I will pull a few cam journals.
     
  2. Marble

    Marble forum member

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    Motor is out...
     
  3. Marble

    Marble forum member

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    Any ideas on how to support the transmission with no motor in the car? With the motor out it is front heavy and dips low. I put a piece of wood in to hold it up but it's a bandaid.
     
  4. RocketcarX

    RocketcarX 95% of my weight is fuel

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    You could tie it up with bailing wire but to be honest I would just go ahead and pull the trans if you need to push the car out.
     
  5. Marble

    Marble forum member

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    Well it looks like the valve train and heads survived. I pulled most the cam bearings and they looked good. Worn, but fine. Cams looked good too. Even though from the photo it looks like there are some good marks, when scratched with a finger nail, nothing catches the nail and it feels even throughout. So far so good. The more money I save the better.

    Tomorrow I'll drain the oil, pull the pan and then check the bottom end.

    I'm leaning towards a when thrust bearing, causing a rod bearing too wear prematurely and then fail. This is based on what on first inspection of the mating of the flywheel to the converter, I found washers and a few shims to fill the gap. Which means there was no gap which is bad. I will measure the shims later just to see what the stack up to. 20180306_223753.jpg 20180306_223746.jpg
     
  6. Marble

    Marble forum member

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    I was trying to figure out how but couldn't see a viable way to do it. I think my brain is tired.


    Car rolls just fine. Just want the tranny supported...safely.
     
  7. RocketcarX

    RocketcarX 95% of my weight is fuel

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    That's what I meant by removing it, just to you don't damage the trans mount. If you don't need to move the car I would just put some blocks under the bell until it is supported.
     
  8. Marble

    Marble forum member

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    I'm just happy the heads aren't toast.
     
    CammedS197 likes this.
  9. travelers

    travelers Senior Member

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    A ratchet strap is an option to hole up the trans.
     
  10. Marble

    Marble forum member

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    So...found three substantial pieces of metal in the pan. 20180311_162039.jpg

    It looks obvious to me it went through the blower. I searched down stream of the throttle body and inspected inch by inch to see if something was obvious. Found nothing.

    Bottom end, two toasted rod bearings. 20180311_170116.jpg

    #2 &#3 rods. Didn't get the cap of the crank. Didn't matter, I'll let the shop do it. Look for the caps that are darker than the others. There are two of them.

    Cylinders look good. 20180311_170226.jpg

    So far, so good. Hopefully all my cylinders and pistons are good. Even if my pistons are good, in order to make things all good again, my cylinders may need to be punched out a little. But I don't know enough about it to really have an opinion.
     
  11. RocketcarX

    RocketcarX 95% of my weight is fuel

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    What tf is that metal? It has to be a non engine part, that short block looks great. I would be surprised if it needs pistons and a bore.
     
  12. Wes06

    Wes06 forum member

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    How could it go through the blower, but wind up in the pan with all pistons in one piece?
     
  13. travelers

    travelers Senior Member

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    The only thing it can be is the bearing material from the rod ends.
     
  14. Marble

    Marble forum member

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    It absolutly could be bearing material.. But what is odd is that when compared to the marks and the shapes of the lobes on the blower it looks like the pieces went through the blower. But I cannot imagine the path it would take to make it from the intake path into the oil system.

    #2 bearing is free spinning on the crank and the oil pick up is full of junk. 20180311_164337.jpg
     
  15. Wes06

    Wes06 forum member

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    Looking at the debris and the rotors. I just don't see how you believe they match up.

    I think the rotor damage is completely separate from the bottom end damage and there's no way anything that went through it made it to the oil pan.
     
    RocketcarX likes this.
  16. RocketcarX

    RocketcarX 95% of my weight is fuel

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    This
     
  17. Marble

    Marble forum member

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    I agree.

    What I mean by "match up" is the angles of the edges of the screws on the blower and very similar to the shapes of the debris.

    But even so, I think it's bearing material. Stuff from the blower will not make it into the oil.

    So since it was a rod bearing failure. The next question is why? It is almost always an oil issue. So a close inspection of the oil pump will be done (I'll be replacing it regardless).
     
  18. BULLITT1

    BULLITT1 Junior Member

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    It is definite. i have a motor sitting next to me that blew the int valve and seat back into the blower and the rest of the motor.
     
  19. Sactown

    Sactown Sactown

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    very very strange
     
  20. RED09GT

    RED09GT Senior Member

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    When you say #2 and #3, do you mean that you spun a rod bearing on 2 different journals?

    I have never seen the bearing shell actually make it right out like that. I can't figure out how it would have slipped from between the other rod or out the crank side without there being other telltale signs. Did the Babbitt maybe separate from the shell?

    Curious to see the piston tops and the spark plugs for any signs of detonation.