Driveshaft for a 1965 250HP - NCRS Discussion Boards

Driveshaft for a 1965 250HP

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  • Ray C.
    Extremely Frequent Poster
    • June 30, 2001
    • 1132

    Driveshaft for a 1965 250HP

    I goofed up! I had the driveshaft labeled and marked when removed from drivetrain. After cleaning and removal of u-joints the markings no longer exist. What end of the driveshaft should be conected to the transmission or can it be installed either way. There is a weight attached with-in 4 " of one of the ends.

    Thanks for any help!!
    Ray 36314
    Ray Carney
    1961 Sateen Silver 270-HP
    1961 Fawn Beige 315-HP
  • Joe L.
    Beyond Control Poster
    • February 1, 1988
    • 43221

    #2
    Re: Driveshaft for a 1965 250HP

    Ray-----

    The driveshaft can be installed either way. I usually install it with the "weight end" forward, though.
    In Appreciation of John Hinckley

    Comment

    • Ray C.
      Extremely Frequent Poster
      • June 30, 2001
      • 1132

      #3
      Re: Driveshaft for a 1965 250HP

      Again!! Thanks Joe

      Ray
      Ray Carney
      1961 Sateen Silver 270-HP
      1961 Fawn Beige 315-HP

      Comment

      • Tom H.
        Expired
        • September 30, 2002
        • 136

        #4
        Re: Driveshaft for a 1965 250HP

        If you experience vibration the yokes are out of phase. You may have to play with the installation a bit to get the front and rear yokes in phase. If the parts are not original to the car or to each other, you may have to take them to a shop for balancing

        Comment

        • Christopher R.
          Extremely Frequent Poster
          • March 31, 1975
          • 1599

          #5
          Re: Driveshaft for a 1965 250HP

          Can you elaborate on "in phase"?

          Comment

          • Gary B.
            Extremely Frequent Poster
            • February 1, 1997
            • 7024

            #6
            Joe; Why put the weight end at the front?

            Joe,

            Do you have a specific rationale for putting the weighted end toward the front? Just curious.

            Gary

            Comment

            • Joe L.
              Beyond Control Poster
              • February 1, 1988
              • 43221

              #7
              Re: Joe; Why put the weight end at the front?

              Gary---

              No particular rationale; that's just always the way that I've done it. My VAGUE recollection is that's how it came from the factory, but it could just be because there was a 50% chance that one would get installed that way and that's how mine got installed.
              In Appreciation of John Hinckley

              Comment

              • Tom H.
                Expired
                • September 30, 2002
                • 136

                #8
                Re: Driveshaft for a 1965 250HP

                The driveshafts are balanced as a yoke and shaft assembly. The orientation is then indexed so that the shaft and yokes can be installed "in phase" with the original balancing operation. If you put the assembly back together with the yoke 180 degs. away from the original balance point then the assembly is "out of phase" You should be able to find the indexing on the original parts. If the parts aren't original--head to the balancing shop!

                Comment

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