Ferrari Mailing List: Re: 456 gt search

[Brian Keegan (bks281]

  I believe the unit is a modified Borg-Warner and about the only parts
  available for them are the 3 filters for the ATF.

  "... parts were somewhere between difficult and impossible to get."  
  Ferrari is following GM's lead on this one.  A friend has a 1993
  Corvette with a 6 spd and virtually nothing is available for that
  gearbox either. IIRC, he told me to meet emissions, you are required
  to shift to 2nd by 25mph or the shift indicator (commonly referred to
  as a rev limiter) shuts you down.

  Brian
      ______________________________________________________________

    From:  "Hans E. Hansen" <FList [at] hanshansen.org>
    To:  Brian Keegan <bks281 [at] hotmail.com>
    CC:  The FerrariList <ferrari [at] ferrarilist.com>
    Subject:  Re: [Ferrari] 456 gt search
    Date:  Tue, 17 Jul 2007 15:52:34 -0700
    The auto in the 400/412 was a GM TH400 - a 3 speed.
    Could be wrong, but I don't think that the 456 auto box is GM
    derived.  I remember reading (Forza??) that it was sourced from
    a small company in Michigan that may no longer be around.
    The same article said that either whole units or parts were
    somewhere between difficult and impossible to get.
    Hans.
    On 7/17/07, Britt2Asa [at] aol.com <Britt2Asa [at] aol.com> wrote:
    > Sorry guys but I will chime in here. As much as the auto 400 is
    great (a
    > manual 400/412 is pretty much undriveable due to cluth weight)
    there have been a
    > LOT of problems with the auto gear box on 456s over here. A full
    rebuild at
    > 15,000 miles is COMMON! BTW you can get a NICE 10k mile 456 here
    for mid
    > 30's....Nobody wants them!
    >
    > Britt
    >
    > > Okay...
    > >
    > > But I did hear that if it ever had to be replaced it is very
    expensive....
    > >
    > > That's why I was questioning your choice in the first place....
    > >
    > > It is based on a proven GM TH trans, so it should be good.
    > >
    > > FG
    > >
    > >
    >
    >
    >
    > BR in the UK
    > 1986 328GTS (LHD 89,940km) Died August 19, 2006 Shrewsbury UK
    > 1980 400i (RHD 72,000 miles)
    > Searching for the right 512TR
    > 2003 BMW 530d
    > 1991 Alfa Spider S4
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References

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