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Technical 1950 ford business coupe

Discussion in 'The Hokey Ass Message Board' started by Lester Piggott, Jun 10, 2020.

  1. Lester Piggott
    Joined: Jun 26, 2016
    Posts: 76

    Lester Piggott

    Looking to get rid of the 411 gears on the stock rear diff is there a lower gear for this rear end or is it best just to change the rear end for something else if so what rear works best on this shoebox, I am running a 302 / c4 Trans , thanks for any info
     
  2. I think you're looking for a "higher" gear maybe. Lower number (like 3:70 maybe), higher gear.
     
    scrap metal 48, catdad49 and belair like this.
  3. 3 speed, no overdrive 3.73
    '51 and newer Fordomatic 3.31, 3.54 optional
     
    dan c and lothiandon1940 like this.
  4. ffr1222k
    Joined: Nov 5, 2009
    Posts: 1,206

    ffr1222k
    ALLIANCE MEMBER

    IIRC, the '49 thru '56 Ford cars (except wagons, T-birds, and police) used the same rear. Most ratios will be in the 3.7 range, but there were some 3.3 used in '56 so you might look for one of those as a bolt-in solution. You will find the lower numeric ratio in automatics.
     

  5. flatheadpete
    Joined: Oct 29, 2003
    Posts: 10,241

    flatheadpete
    Member
    from Burton, MI

    I run a Maverick rear in my '50 with a 302/C4 combo. Has 3.55 gears. Does great around town and can keep up with traffic on the e-way no problem.
     
    BoilermakerDave likes this.
  6. Hit this icon [​IMG]at the top of the page. You will find countless numbers of every way out there on how to do it and what to use. Age old conversation.
     
  7. scrap metal 48
    Joined: Sep 6, 2009
    Posts: 6,077

    scrap metal 48
    Member

    A Ranger rear end with a highway gear would work well in your Ford...
     
    lothiandon1940 likes this.
  8. Lester Piggott
    Joined: Jun 26, 2016
    Posts: 76

    Lester Piggott

    Thanks for your responses that helps a lot
     
  9. brokedownbiker
    Joined: Jun 7, 2016
    Posts: 621

    brokedownbiker
    ALLIANCE MEMBER

    The easiest install is going to be from a 91-92 Ford Ranger, it is the correct width, all you have to do is use your old perches. I used 3.55 gears in mine but I have an AOD, if you are not going to use an OD transmission, I'd recommend higher gears (3.25 or thereabouts)
     
  10. ST63
    Joined: Aug 28, 2020
    Posts: 8

    ST63

    Is your AOD mated to a SBF or a flathead? I'm looking to swap my tired flattie for a SBF with AOD, but was thinking a Ranger rear with 3:27 just for highway cruising purposes....do you find the 3:55 fine for that?
     
  11. I found a Maverick rear end a few years ago; they’re getting scarce. Width is perfect, some say it will bolt in, but I had to cut off the perches and weld new ones on (it was close, but not close enough in my opinion). I still run the flathead w/3 speed, no overdrive so I went with 3:50 gears. 2500 RPM at around 60 mph
     
    ST63 and lothiandon1940 like this.
  12. birdman1
    Joined: Dec 6, 2012
    Posts: 1,399

    birdman1
    Member

    Run the 4.11s. rpms will not hurt any 302 ford.
     

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