[FC] Need some expert help

[Paul Steinberg]

The aluminum 3 speed was the very first design transmission.  Because of
premature failure of the cases, GM discontinued them and replace all
production units in service with the cast iron cased unit.  I don't know if
there was any change in the internal parts when they made the change over to
cast iron.  If you have parts books for the different years, it is group
4.103.  Paul in CT
  ----- Original Message -----
  From: vairpair@att.net
  To: Corvanatics
  Sent: Monday, September 01, 2003 12:58 PM
  Subject: [FC] Need some expert help


  Hey All.  I need some help with a transmission.  I have an aluminum cased 3
  speed with the short output shaft.  I know that they are perculiar to 60
  models.  However, on checking this one, everything matches and looks right
  except the casting number on the side.  The Primer says the right number is
  6256685.  Mine says 6256675.  It is a 3 speed, aluminum cased, with a
stamped
  steel cover, short output shaft and the input shaft is 21 3/4 inches long.
  Any ideas, comments, suggestions, is this perhaps a real early 60, or what?
  Would appreciate any comments.  Thanks  Bob Bauer
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