Torque converter ID needed

Transmission and Drivetrain Tech

  1. RAT ROD AL

    RAT ROD AL I know just enough to be dangerous FABO Gold Member

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    I have this converter that came in my parts pic. Wasn't in a box, and don't see anything to identify it. . I'd like to know if this is internal balance or not. And if it makes a difference if big block or small block.
    Thanks in advance.
    Al
    20201124_114418.jpg 20201124_114437.jpg
     
  2. lilfontleroy

    lilfontleroy annoyinglilLeroy FABO Gold Member

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    • Demonracer

      Demonracer 71 Demon 00 Ram 16 Chrysler 300S 05 Caravan FABO Gold Member

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      Definitely externally balanced with the 2 welded on weights.
       
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      • Jadaharabi

        Jadaharabi FABO Gold Member FABO Gold Member

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        Next to the 11" it looks like numbers stamped into it. Can you read them and look for more?
         
      • 33IMP

        33IMP Well-Known Member

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        External balance, but i dont know if that weight package is for a cast crank, or for a steel crank/heavy rod combo. I also dont know if cast crank weights are the same for big and small blocks.
        My opinion only, if that thing really stalls 3000, i doubt i would use it. For a converter that big, to stall 3000 it would have to be pretty sloppy inside. I would rather see an inch or inch and a half smaller/ tighter .
         
      • RAT ROD AL

        RAT ROD AL I know just enough to be dangerous FABO Gold Member

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        Looks to be 4710. Good eye.
         
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        • lilfontleroy

          lilfontleroy annoyinglilLeroy FABO Gold Member

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          good? I thought that was dirt or nicks! :lol:
           
        • RAT ROD AL

          RAT ROD AL I know just enough to be dangerous FABO Gold Member

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          Make that #4700
           
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          • lilfontleroy

            lilfontleroy annoyinglilLeroy FABO Gold Member

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            :BangHead::BangHead::lol:
             
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            • Demonracer

              Demonracer 71 Demon 00 Ram 16 Chrysler 300S 05 Caravan FABO Gold Member

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              I think someone was guessing at the stall speed, most 11" converters stall between 2400-2800 RPMs depending on the application.
               
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              • RAT ROD AL

                RAT ROD AL I know just enough to be dangerous FABO Gold Member

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                Did you happen to find anything on it?
                I'd like to find out what it is, Doesn't really matter to me what it is or what it fits, But if I can find out I could give someone a good deal on it. I don't want to miss represent it as something else. Thanks guys for your help.
                 
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                • transman

                  transman Well-Known Member

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                  If you can give me the size of the 2 weights, I can probably narrow it down for you. I need to have, length, width and thickness. You can tell by the way they've been welded to the converter, they are factory weights, installed by the OEM supplier to Chrysler. Stall speed 3000? Who knows. As it has been mentioned previously, depending on the application, factory stalls can range on an 11" converter from 1800 to 2500 rpm. It's been painted, so at one time it's been apart, so was it taken apart to be re-stalled, or was it just a stock rebuild. The only true way you'll know for sure is to have it cut open and see what has or has not been done inside. It's not for a 318 or a 225 engine for sure though.
                  Looking through the information I've got the number 4700 or 4710 are not mentioned anywhere.
                   
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                  • RAT ROD AL

                    RAT ROD AL I know just enough to be dangerous FABO Gold Member

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                    I'll get some measurements of the weights and post here asap.
                    Thanks
                     
                  • RAT ROD AL

                    RAT ROD AL I know just enough to be dangerous FABO Gold Member

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                    The weights measure 1 3/8 × 3/4 ×1/4. And the # stamped on it is 4700. Thanks for any help.
                     
                  • transman

                    transman Well-Known Member

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                    Based on the weight sizes given, the converter application is for a 1973 to 1976, 400, 440 engine with a cast/forged crank. Factory stall speed 1800-2100, 11" diameter, wide ring gear. I hope this helps.
                    I still cannot find anywhere reference to the stamped number 4700.
                     
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                    • RAT ROD AL

                      RAT ROD AL I know just enough to be dangerous FABO Gold Member

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                      Thank you very much.
                       
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