9" rear end decoding help...

Discussion in 'Parts Interchange' started by 408w-maverick, Jan 20, 2008.

  1. 408w-maverick

    408w-maverick Member

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    I finially got a 9" for my mav and i was hoping some one could tell me about it.lol
    This is the code that was on the tag on the rear end.

    WGB-AB1 8LA
    2 47 9 461B

    Anyone??
     
    408w-maverick, Jan 20, 2008
    #1
  2. ratio411

    ratio411 Member

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    All I can tell you is that it is 2.47 geared with open diff.
    I know the other numbers tell you dates and such, but don't know the codes myself.
     
    ratio411, Jan 20, 2008
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  3. rayzorsharp

    rayzorsharp I "AM" a Maverick!

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    Hmmm...didn't even know they made a 2.47. :hmmm:
     
    rayzorsharp, Jan 20, 2008
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  4. ratio411

    ratio411 Member

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    Sounds like a Granada/Monarch ratio to me.
    IIRC the Monarch 9" I had was 2.47.
     
    ratio411, Jan 20, 2008
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  5. Acornridgeman

    Acornridgeman MCCI Wisconsin State Rep Moderator Supporting Member

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    That 8LA is the built date code

    8 = 8th year (1968, 1978)
    L = 12th month - December
    A = 1st week

    So it was built in the first week of December - probably in 1978 with that high ratio of 2.47

    So my money would be on a 1979 Granada, Monarch, Versailles - something like that.

    :)
     
    Acornridgeman, Jan 22, 2008
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  6. mean_maverick

    mean_maverick Senior Member

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    my nine that was from my '78 parts car has a 2.50 gear, not a 2.47. kinda weird huh
     
    mean_maverick, Jan 22, 2008
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  7. Acornridgeman

    Acornridgeman MCCI Wisconsin State Rep Moderator Supporting Member

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    Actually, the FORD book lists a WGB-AB as a 2.50:1

    That 1 after the AB is a drawing number/part change - maybe the change was to a 2.47:1

    Ya gotta love Ford and all the little odd differences
    :huh:
     
    Acornridgeman, Jan 22, 2008
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  8. ratio411

    ratio411 Member

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    The 2.47 I had was out of an 80 Monarch...
    Must have been a late model run part, during the last 2 years of production.
     
    ratio411, Jan 22, 2008
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  9. CaptainComet

    CaptainComet Large Member

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    Great gear ratio if you want to go to Bonneville or Maxton, NC and do some top speed runs. :thumbs2:
     
    CaptainComet, Jan 23, 2008
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  10. outsider75

    outsider75 New Member

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    had a 2:47 gear in my ltd2 for few months after swapping the big block in.
    gave a ricer in a honda fits on the interstate once. poor lil dude couldn't figure out why he couldn't out run a land barge. lol
     
    outsider75, Jan 23, 2008
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  11. 408w-maverick

    408w-maverick Member

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    Alright thanks guys im gonna replace everything with 4:11's a spool and something like 40 spline axels....
     
    408w-maverick, Feb 13, 2008
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