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Technical Muncie m20 Hurst shifter linkage

Discussion in 'The Hokey Ass Message Board' started by Hotwyr, Oct 17, 2024.

  1. Hotwyr
    Joined: Apr 20, 2008
    Posts: 106

    Hotwyr
    Member

    I'm hopeing someone can help with a Hurst linkage question. I have an m20 muncie with the speedometer cable outlet on the driver's side. Looking for linkage part numbers or an application I can reference for linkage to clear the speedometer cable. Thanks
     
  2. Chucky
    Joined: Mar 15, 2009
    Posts: 1,780

    Chucky
    ALLIANCE MEMBER

    I’ve used a 90 degree speedo cable adapter in the past on a Saginaw.
     
    jimmy six likes this.
  3. TRAVLR
    Joined: Jul 18, 2022
    Posts: 152

    TRAVLR
    ALLIANCE MEMBER
    from NC

    Hotwyr,
    The driver side speedo housing Hurst part number is 1052442 for the reverse linkage rod to clear the speedo cable if you are using a Hurst shifter with the correct mounting plate.
    The car in my avatar photo has a muncie m20 with the driver side speedo tail shaft and a Hurst competition plus shifter.
    Edit: 1052442 is the lever part number, the linkage rod number is 2133404.
    I apologize for any confusion.
     
    Last edited: Oct 18, 2024
    loudbang likes this.
  4. Hotwyr
    Joined: Apr 20, 2008
    Posts: 106

    Hotwyr
    Member

    Thanks Travlr. Just what I was hopeing to find out. Do you happen to have the numbers for the other 2 rods? My shifter is in the forward mounting holes. No room for the 90 degree adapter.
     
  5. TRAVLR
    Joined: Jul 18, 2022
    Posts: 152

    TRAVLR
    ALLIANCE MEMBER
    from NC

    The 1&2 linkage arm is part #1052440
    The 1&2 rod is # 2132438
    The 3&4 linkage arm is #1052441
    The 3&4 rod is #2132139
    If whomever needs to know what these are supposed to be for... Tell them a 64-66 Pontiac GTO,Lemans,Or Tempest with a Muncie.
    A lot of the Pontiacs used the driver side speedo housing while a lot of the Chevys had the passenger side housings.
    I have a 64 m20 out of a Lemans and my Dad has a 65 m20 from a GTO in his 57 Bel Air.
    We did this on purpose so we could run the factory length speedo cables in our cars.
    Also understand that we are using Hurst competition plus shifters in both our cars... If you are using a different style shifter body, the rod lengths might need to be different.
     
    Last edited: Oct 18, 2024
    Chucky likes this.
  6. Hotwyr
    Joined: Apr 20, 2008
    Posts: 106

    Hotwyr
    Member

    Thanks once again. Just the information I needed. Questions answered.
     
  7. Hotwyr
    Joined: Apr 20, 2008
    Posts: 106

    Hotwyr
    Member

    I changed out the t-5 I had in my car for the Muncie hopeing to get a little better gearing for my application. Thanks again.
     

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