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Technical 1937 LaSalle Transmission - Clutch Disk Info Needed

Discussion in 'The Hokey Ass Message Board' started by Ebbsspeed, Jan 6, 2022.

  1. Ebbsspeed
    Joined: Nov 11, 2005
    Posts: 5,807


    I'm in the midst of building a Model A, Flathead Cadillac powered with a '37 LaSalle trans behind it. The clutch disk I have is worn, and instead of having it rebuilt I'd like to see if there is a drop-in replacement from some other application that would be reasonably priced. Specifications:

    10 Spline Input Shaft
    1.25" Input Shaft Diameter
    10.5" or 11" Disk Diameter

    Ford had some transmissions behind their 460 that had the 10-Spline 1.25" input shaft, but they are all 12 inch disks.

    If you know of something that'll work I'd appreciate it.

    Thanks folks!
  2. Paul
    Joined: Aug 29, 2002
    Posts: 15,782


    I'm using an '88-'94 Ford Super Duty Centerforce #381040 11"
    'may be tough find now, last time I checked they were discontinued.
    TrailerTrashToo likes this.
  3. Ebbsspeed
    Joined: Nov 11, 2005
    Posts: 5,807


    Thanks Paul. That got me in the ballpark, and after a bit of hunting I found another for the same truck that will appear to work. It's a #CP31103A which looks like it should do the trick.
    TrailerTrashToo and Paul like this.
  4. dwollam
    Joined: Oct 22, 2012
    Posts: 1,768


    I called a clutch place in Portland Oregon, Portland Friction maybe? Told them what I wanted and had it in a few days. 331 Hemi, LaSalle trans, Mopar 10.5 pressure plate. They did me a 10.5 disc.


    Automotive Friction maybe? In Damascus Oregon. Old family business.
    Paul likes this.

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