1. jim

    jim Well-Known Member

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    Have a set of s/s springs on a Dart GTS I purchase. They are 6 leafs. There are thin shims on the driver's side. Is this factory? Car was a drag car most of it's life. Didn't know if a racer installed them.

    IMG_20191129_123218287.jpg
     
  2. Jadaharabi

    Jadaharabi FABO Gold Member FABO Gold Member

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    Take a wire brush and clean them up to find the part number.
     
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    • jim

      jim Well-Known Member

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      After cleaning I see where the thin shims look like there galvanized and are on both springs.
      Numbers are
      3722293. 36369. 020 4
      Both sides are the same
       
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      • mbaird

        mbaird mbaird FABO Gold Member

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        Zinc interleaves... factory installed.
        They help the leaves move against each other
         
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        • jim

          jim Well-Known Member

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          Ok never saw before
          Thanks
           
        • Jadaharabi

          Jadaharabi FABO Gold Member FABO Gold Member

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          Not a S/S part number that I can find.
           
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          • Mattax

            Mattax Just the facts, ma'am FABO Gold Member

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            There's an active thread in moparts Q & A about factory leaf springs and part numbers.
            Could ask there.
            I'm not sure if the spring part numbers in the books are the same as the stamped numbers. Could be a digit off or something like that.
            This happens with alternators as well. But for those there's bulletin explaining that.

            *If you're not on moparts and/or don't want to join. Post the picture of the stamping, and the car info (year) and I can ask.
             
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            • jim

              jim Well-Known Member

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              It's a 68 dart GTS H code auto
               
            • Cudafever

              Cudafever Well-Known Member

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              So there NOT SS Spring.

              What is the question you're looking for.
               
            • Mattax

              Mattax Just the facts, ma'am FABO Gold Member

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              OK.
              Best I can tell, the last 3 digits of the stamped number matches the sales order/ build order code.
              In other words, if we looked at a broadcast sheet the three numbers under spring will match the last three digits of one of those stamped numbers.
              According to this post, one of the stamped numbers is probably a date code, and the five digit is vender code.
              https://board.moparts.org/ubbthread...ication-for-what-application.html#Post2582916
              So you're looking for info on a 293 or 293/293
              More on the codes and stamps in this one
              https://board.moparts.org/ubbthread...3/re-leaf-spring-part-numbers.html#Post159513

              The part numbers in the parts book are not the same, and so far I don't see a published cross reference.
              Best will be to find a broadcast sheet or a photo of one.

              Here's the discussion.
              https://board.moparts.org/ubbthread...-part-number-chart-available.html#Post2719112
               
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              • Jadaharabi

                Jadaharabi FABO Gold Member FABO Gold Member

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                That H code automatic in 68 is that a 383 car?
                 
              • jim

                jim Well-Known Member

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                Yes
                 
              • Mattax

                Mattax Just the facts, ma'am FABO Gold Member

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                I posted your spring's numbers over there.
                We'll see if anyone recognizes them.

                According to the parts books, a 383 would get spring pack p/n 2808 677 which used main leaf 2808 678. Only 383 springs use that main leaf. (maybe in '69 440s did too)
                According to examples posted, those springs were stamped xxxx 056

                Interesting that Stengle Bros replacement shows both the part number and the stamp number.
                78-581 Leaf Spring Assembly

                Some comparisons can be made with this chart
                Dodge Lancer Dart and Swinger Leaf Springs - Stengel Bros Inc.
                 
              • jim

                jim Well-Known Member

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                Thanks for be all the info
                 
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