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Multi Plate Clutch Info!

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  • Multi Plate Clutch Info!

    The inside of the flywheel is the most critical part. If the internal splines are worn to where they have divots from the teeth on the clutch pack rattleing, the clutch will not release well. Also, that flywheel looks from the photo to be the early flywheel with out the releaf for the starter drive, so an early starter would be necessary. The transmission gears look good, so that is a plus, and the teeth on the clutch pack look nice also. If you take it apart, read the service bulletins carefully, as one of the clutch disks is different, and the placement of that disk is important.
    Bill
    http://www.brauchauto.com/
    Eastern Connecticut

  • #2
    Yes, one clutch disc has slightly wider teeth to stop the clutch pack from rattling back and forth in the grooves. One of the teeth on this disc has a chisel mark to identify it, and this one is to be located closest to the tranny, as that one moves the least when the clutch is depressed.

    Comment


    • #3
      Here are some multiplate flywheel pictures, and the first shows the flywheel on a 21" rim, so that strange bead to the left of the ring gear is the wheel
      Notice the first picture is the first style flywheel with a straight surface behind the ring gear.
      The next picture is the second style, introduced about August 1928, and has the relief in the outer edge for the new starter drive to replace the Abell drive.
      Before blasting, the flywheel didn't look too good, and I thought it even appeared to have worn internal teeth, but after cleaning, the flywheel looks NOS.

      You do not have permission to view this gallery.
      This gallery has 5 photos.

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      • #4
        Some more info from Tom Endy

        http://www.santaanitaas.org/wp-conte...l-Aug-2003.pdf


        D1AB6EC0-0BC1-4BB1-9640-B9BDF5724EA8.jpegC5C834AD-D60F-44C4-B224-48DFF33AFFE3.jpegE9AAB583-9693-48CC-8AD8-009E85E22EA4.jpeg
        3~ Tudor's & 1~ Coupe
        Henry Ford said,
        "It's all nuts and bolts"
        "Start by doing what's necessary; then do what's possible; and suddenly you are doing the impossible."

        Mitch's Auto Service ctr

        Comment


        • #5
          3~ Tudor's & 1~ Coupe
          Henry Ford said,
          "It's all nuts and bolts"
          "Start by doing what's necessary; then do what's possible; and suddenly you are doing the impossible."

          Mitch's Auto Service ctr

          Comment


          • #6
            Photo of the A-7609 Clutch pilot bearing felt retainer

            -Tim
            Attached Files

            Comment


            • #7
              Here are 2 pictures of my clutch pack with 4 new driving discs.
              These are the ones with the external teeth that mesh with the flywheel.
              There are 5 driven discs that mesh with the hub and tranny input shaft.
              002.JPG004.JPG
              Attached Files

              Comment


              • #8
                A couple of more Multi disc threads

                https://www.vintagefordforum.com/for...sc-clutch-pack

                https://www.vintagefordforum.com/forum/model-a/235903-pilot-bearing-multiple-disk-flywheel?p=235928#post235928


                https://www.vintagefordforum.com/for...sc-clutch-info
                3~ Tudor's & 1~ Coupe
                Henry Ford said,
                "It's all nuts and bolts"
                "Start by doing what's necessary; then do what's possible; and suddenly you are doing the impossible."

                Mitch's Auto Service ctr

                Comment

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