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Technical FLATHEAD Rear axle gear sets

Discussion in 'Traditional Hot Rods' started by The37Kid, Mar 5, 2025 at 1:33 PM.

  1. The37Kid
    Joined: Apr 30, 2004
    Posts: 32,021

    The37Kid
    ALLIANCE MEMBER

    How many different gear sets did Ford produce in the Flathead era? What is the "Holy Grail" of gear sets? Thank you! Bob
     
  2. F-ONE
    Joined: Mar 27, 2008
    Posts: 3,535

    F-ONE
    Member
    from Alabama

    I really like the standard 3.73 in my 51 Shoebox. I assume you are really referring to ‘48 and older Banjos and not the later hypoids.

    The bootleggers really liked the 51 Fordomatic gear sets behind the 3 speed overdrive in Shoebox blockaders.
     
  3. rusty valley
    Joined: Oct 25, 2014
    Posts: 4,020

    rusty valley
    Member

    Most common in the banjos were 3.78, and 4.11. 3.54 was available, not found in the wilds very often.
     
  4. tubman
    Joined: May 16, 2007
    Posts: 7,610

    tubman
    ALLIANCE MEMBER

    V8-60's came with 4.44 ratios.
     
  5. The37Kid
    Joined: Apr 30, 2004
    Posts: 32,021

    The37Kid
    ALLIANCE MEMBER


    Thanks, the ten spline 4.11 isn't special I guess.
     
  6. Bearing Burner
    Joined: Mar 2, 2009
    Posts: 1,184

    Bearing Burner
    Member
    from W. MA

    I was told by someone 60 years ago that the 4.44 were in V60 panel trucks or maybe that where he got the one he sold me.
     
  7. rusty valley
    Joined: Oct 25, 2014
    Posts: 4,020

    rusty valley
    Member

    I have 4.11's with a columbia in my 34, as recommended by many folks over at the barn.
     
  8. alchemy
    Joined: Sep 27, 2002
    Posts: 21,761

    alchemy
    Member

    Ten spline isn’t valuable to guys with quickchanges cause they use six spline, but they would be fine for any other banjo rearends. Good condition gears are getting harder to find.
     
    The37Kid likes this.
  9. V8-m
    Joined: Jun 11, 2020
    Posts: 252

    V8-m
    Member
    from Alaska

    I have 3:78 in my banjo axle
     
  10. Bearing Burner
    Joined: Mar 2, 2009
    Posts: 1,184

    Bearing Burner
    Member
    from W. MA

    There were 10 to 6 spline adaptors
     

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