1. superchargeddrt

    superchargeddrt Well-Known Member

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    Hi Guys,
    My buddy Larry wants to put a 8 3/4 into his '64 Barracuda. Does anyone know what length the driveshaft has to be? Thanks for your help!
     
  2. xLURKxDOGx

    xLURKxDOGx "An angel fat, at satan's feast" FABO Gold Member

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    904/727/833? More info will help this process.

    Jake
     
  3. superchargeddrt

    superchargeddrt Well-Known Member

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    Sorry,
    904 transmission.
     
  4. toolmanmike

    toolmanmike FABO Staff Staff Member FABO Gold Member

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    Original transmission? It will have the ball and trunion front joint.
     
  5. superchargeddrt

    superchargeddrt Well-Known Member

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    Won't be the original trans. It will.be a later 904.
     
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    • Tad

      Tad FABO Gold Member FABO Gold Member

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      I just did my 65 dart. The length from the back of the 904 transmission to the center of the rear U joint was 57 1/4. I know the barracuda has a shorter wheelbase.
       
    • ir3333

      ir3333 Well-Known Member

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      Are you sure you didn't have a 904 and 7 1/4" rear? My '69 Dart with 904 and 8 3/4 was 52".
      The later plymouth A bodies had a 3" shorter wheel base than a dart but i don't know about '65?
       
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      • 66fs

        66fs Well-Known Member

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        Darts are longer wheelbase. Barracudas take the same driveshaft as a Duster, 67-69 Barracuda or Valiant, with the same trans and rear.
         
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        • superchargeddrt

          superchargeddrt Well-Known Member

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          Yes it's a 7 1/4 now but he's going to swap in a 8 3/4
           
        • MichiganRay

          MichiganRay Member

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          You need to first install the rear end then measure the from the center of the trans U joint to the center of the pinion u joint. QA1 has the information on how to do it right, on their web page. Check the width. They can be different also. Good luck.
           
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