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Customs 4R70W adapter

Discussion in 'The Hokey Ass Message Board' started by Admiral Tom, Jun 14, 2025 at 4:55 AM.

  1. Admiral Tom
    Joined: Dec 2, 2024
    Posts: 38

    Admiral Tom
    Member

    Has anyone done or know someone who has installed a Ford 4RW70 transmission on an 59AB engine?
     
  2. Kevin Ardinger
    Joined: Aug 31, 2019
    Posts: 1,000

    Kevin Ardinger
    Member

    4R70W? Electronic trans? Not sure how you would make electronics work. Probably off topic
     
  3. Roothawg
    Joined: Mar 14, 2001
    Posts: 25,709

    Roothawg
    Member

    Kevin Ardinger and alanp561 like this.
  4. tjm73
    Joined: Feb 17, 2006
    Posts: 3,630

    tjm73
    Member

    It's going to be really hard to pull off. The 4R70W has an integral bell housing. The 59AB block also has an integral bell housing. Well most of one anyway. Would be 100% a custom attempt and I doubt it will work.

    If you found and ran an 8BA 49-53 engine it is much more likely to be successful. Like 99% chance of success. Adapters exist for the last Flathead block style.
     

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