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9 inch ford gear ratio question

Discussion in 'The Hokey Ass Message Board' started by laylow, May 29, 2007.

  1. laylow
    Joined: Dec 6, 2006
    Posts: 115

    laylow
    Member

    does any one know what cars came with 2.40 or 2.50 gear ratio on 9 inch ford 28 spline or 31 spline

    thanks :confused:
     
  2. squirrel
    Joined: Sep 23, 2004
    Posts: 49,792

    squirrel
    Member

    2.47 or 2.50 were pretty common in mid-late 70s land yachts like lincolns, ltds, tbirds
     
  3. Lobucrod
    Joined: Mar 22, 2006
    Posts: 4,122

    Lobucrod
    Alliance Vendor
    from Texas

    Ive got a Lincoln versailles 9" with a 280:1 gear in my coupe. Wanting to replace it with a 355. Just barely above idle at cruising speed with a 700r4.
     
  4. Jalopy Joker
    Joined: Sep 3, 2006
    Posts: 27,422

    Jalopy Joker
    Member

    Did you do a search on this site first?Lots of info already posted.
     

  5. laylow
    Joined: Dec 6, 2006
    Posts: 115

    laylow
    Member

    thanks for the info guys
     
  6. Deuce Roadster
    Joined: Sep 8, 2002
    Posts: 9,519

    Deuce Roadster
    Member Emeritus

  7. squirrel
    Joined: Sep 23, 2004
    Posts: 49,792

    squirrel
    Member

    that site does not seem to list the later model cars that mostly had the mid 2 gears in them....other than that, it's a handy reference, thanks for the link!
     
  8. RichFox
    Joined: Dec 3, 2006
    Posts: 10,020

    RichFox
    Member Emeritus

    Even my '78 F150 with the 351M and C6 came with 247s. 31 spline.
     
  9. Deuce Roadster
    Joined: Sep 8, 2002
    Posts: 9,519

    Deuce Roadster
    Member Emeritus

    You know ... you are right ... :(
    Lots of 2.75 and 2.80 but no 2.50

    The list has always had the gear I needed and I was mistaken in thinking it was a complete list.


    SORRY ...
     

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