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Converting MD Clutch to a SD Clutch system...

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  • Converting MD Clutch to a SD Clutch system...

    Has anyone ever converted a Multi-Disc Clutch system to a Single Disc Clutch system on a 1928 Model A/AA Ford YET maintain that 1928 look on the outside of the chassis???

    If so, just what is the procedure to do so?

    Could it be wrote up to include in this fourm???

    Thanks.

    Pluck

  • #2
    I assume you mean the tranny case and 3/4" shaft for the clutch and brake pedals. Normally everything from the flywheel to the U-joint is the way to go, as was done on my 28 Phaeton. I've purchased all the correct 1928 multiplate parts to put it back correctly. If it is possible to just swap the flywheel and clutch parts, I can't see it being done without some modifying and machine work.

    Comment


    • #3
      I think your going to need a flywheel and of course your clutch and correct tranny imput shaft , throw out bearing pilot bearing and clutch release fork

      Comment


      • #4
        Use a lightened flywheel and V8 clutch. Beleive you have to machine the bellhousing to fit the later bearing retainer for the throwout bearing. Rod
        At some point in time standardization was a creative idea.

        Comment


        • #5
          On mine the transmission was not drilled and tapped for the front bearing retainer. Easy way is to change flywheel housing, flywheel, clutch, pressure plate, transmission. And clutch and brake pedals.

          Comment


          • #6
            Steve
            Have done a few over the years and ironically there is a parts list required in the ford Model A service bulletins .

            I don’t have them handy at the moment but you should easily find it.

            Larry Shepard

            Comment


            • #7
              I think he wants to retain the early bell housing.

              Comment


              • #8
                I don't believe tha'ts possible with the changeover. It's been a while since I compared housings but I think there's some physical issues which is why the later housing must be used. Ford wouldn't have specified it in if it wasn't necessary. Just change it and be done.
                It's not that big a deal.

                Comment


                • #9
                  Sorry if a little off topic but are there parts and instructions to rebuild multiple disc clutch anywhere?

                  Comment


                  • #10
                    treuland WELCOME to the VFF!!
                    You wana look waaay far up da road and plan yer route because the brakes are far more of a suggestion than a command!

                    Comment


                    • #11
                      Originally posted by treuland View Post
                      Sorry if a little off topic but are there parts and instructions to rebuild multiple disc clutch anywhere?
                      Welcome to the VFF

                      Here is a technical thread on the subject.

                      https://www.vintagefordforum.com/for...832#post178832
                      3 ~ Tudor's
                      Henry Ford said
                      "It's all nuts and bolts"


                      Mitch's Auto Service ctr

                      Comment


                      • #12
                        The big question is WHY?????

                        The multi disk was a better smoother clutch.
                        It problem was related to everyday use and not being in oil like the Lincoln. The dust built up and it stopped working. Something a restored car is not likely to see.
                        If I had an early car I would go out of my way to use one.

                        Comment


                        • #13
                          Originally posted by treuland View Post
                          Sorry if a little off topic but are there parts and instructions to rebuild multiple disc clutch anywhere?
                          I used this one extensively when rebuilding my July of '28 transmission a couple weeks ago...

                          http://jmodela.coffeecup.com/xmissionrebuild.html

                          And the clutch
                          http://jmodela.coffeecup.com/clutch.html
                          Last edited by WTSHNN; 07-11-2019, 10:38 AM.

                          Comment


                          • #14
                            I have multi-disc clutches on both my early Model A's and I love them. I am told replacement discs are almost impossible to find. Anyone know if they are available?

                            Comment


                            • #15
                              I have some ....

                              Comment


                              • #16
                                Originally posted by Tony Hillyard View Post
                                I have multi-disc clutches on both my early Model A's and I love them. I am told replacement discs are almost impossible to find. Anyone know if they are available?
                                Repro? No.

                                But NOS ones aren't all that difficult to locate.

                                -Tim

                                Comment


                                • #17
                                  Thanks Tim, I don't need any at the moment but it is good to know. - Tony

                                  Comment


                                  • #18
                                    Treuland, if you want to learn about how to rebuild a multi-disc clutch unit, attend the MARC National Meet in Dearborn in August. Bob Martino will be giving a seminar on all aspects of them.

                                    Comment


                                    • #19
                                      Originally posted by Kevin in NJ View Post
                                      The big question is WHY?????

                                      The multi disk was a better smoother clutch.
                                      It problem was related to everyday use and not being in oil like the Lincoln. The dust built up and it stopped working. Something a restored car is not likely to see.
                                      If I had an early car I would go out of my way to use one.
                                      I agree with Kevin, and have NOS and as good as NOS parts to restore my 28 Phaeton to multidisc clutch.
                                      When I get time to swap the motor, then I'll also install the multiplate clutch and tranny.

                                      Comment

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