Register now to get rid of these ads!

What vehicle did this rear come from?

Discussion in 'The Hokey Ass Message Board' started by ArtGeco, Feb 3, 2011.

  1. ArtGeco
    Joined: Apr 6, 2005
    Posts: 760

    ArtGeco
    Member
    from Miami

    I have a chrysler rear end, later model.
    The numbers on the rear are:

    3723791

    30103 1

    0267 (That zero could be a 6 or an 8 also)

    Thanks in advance!
     
  2. Killer
    Joined: Jul 5, 2001
    Posts: 1,569

    Killer
    Member

    a picture will help.
     
  3. could the last three digits of the first number be 741? if so its an 83/4 out form behind a small block car
    does the center section front or rear load?
    what measurement from either flange to flange or center of perch to center of perch?
     
  4. squirrel
    Joined: Sep 23, 2004
    Posts: 47,965

    squirrel
    Member

    number looks like around 77? probably 8.25" or who knows.
     

  5. moparforlife
    Joined: Feb 21, 2009
    Posts: 351

    moparforlife
    Member
    from Rolla, MO

    I would agree. It is probably the small pinion version of the 8 3/4". There were also 742 and 489 cases available. 742 and 489 cases are similar in strength while the 741 case is considered the weaker of the three, although I've never had a problem with my 741 case 8 3/4" behind my 440.
     
  6. squirrel
    Joined: Sep 23, 2004
    Posts: 47,965

    squirrel
    Member

    "742" is short for 2070742 which is way way earlier than the 3723791 number on his rear housing.

    in case you don't know, mopar part numbers are sequential, so you can figure out roughly what year each part was first used, by looking at the first two digits of the part number.

    37xxxxx is from the mid-late 70s
     

  7. yeah i had a 741 behind my 440 also beat it unmercifully never gave up

    742's cameout around 67

    489's cameout around 69/70
     
  8. squirrel
    Joined: Sep 23, 2004
    Posts: 47,965

    squirrel
    Member

    742 came out around 61. 489 came out around 69.

    3723791 came out around 74-75
     

Share This Page

Register now to get rid of these ads!

Archive

Copyright © 1995-2021 The Jalopy Journal: Steal our stuff, we'll kick your teeth in. Terms of Service. Privacy Policy.

Atomic Industry
Forum software by XenForo™ ©2010-2014 XenForo Ltd.