Wanted, source info, auto trans, 90 V8Q

[Buchholz, Steven]

In my post you read that I was recommending that John not go ahead with the
project either, just clarifying my understanding of the earlier post.  FYI,
I can tell you that a 5-speed will run with an automatic IC ...
unfortunately I have one of these in my car :-(  AFAIK the only price I pay
is that the cruise control doesn't work and I have to look at the
illuminated "PRNDL" display.  While it is true that the ABS signals hook up
to the tranny box as well (so that the controller can detect wheel slip and
lock the center diff as needed), I'm sure the ABS would continue to work
just fine with the tranny computer removed.  There are differences between
the engines in automatics and manuals ... TFA shows that they have different
cams and even the rear diff unit is different on the 5-speed as compared to
the manual (the 5-speeds have the same rear diff that is used with the ABH
4.2l engine equipeed automatics).  

The point still stands ... it is still _possible_ to convert a V8 with an
automatic to have a manual transmission.  Anyone considering such a project
is advised to do quite a bit of homework before applying too much in the way
of funding though ...

Steve Buchholz
San Jose, CA (USA)
> 
> Although auto engines will accept a 5spd gearbox, there are a 
> great deal of other itmes that need attending to when a 
> conversion on a V8 is done.. A few items for example...
> 
> Engine managment system.. uses inputs from auto trans computer
> ABS.. Interfaces with center diff on auto trans
> Drive axles and prop shaft
> Instrument clusters are different
> These are the major items.. There are hundreds more smaller 
> items such as shift knob provisions undercarriage sound 
> proofing etc...
> 
> Scott
> 
> In a message dated Tue, 22 Aug 2000  3:15:37 PM Eastern 
> Daylight Time, "Buchholz, Steven" 
> <Steven.Buchholz at kla-tencor.com> writes:
> 
> << Actually, I believe the suggestion here is to create a 5-speed from a
> formerly automatic car.  Thanks to John Karasaki we have proof positive
that
> the engines in the automatics are indeed compatible with the quattro
> transmission, so there is no doubt it is possible.  Given David Head's
> experience with having a transmission rebuilt for a more reasonable price,
I
> think that I might be more in the camp to have the automatic rebuilt and
> reinstalled in this case.  It does not appear that the V8's automatic is
> prone to the same sorts of failures as in some of the older type 44s.  Now
> that MH2K is over I'll be starting on my own automatic to 5-speed
conversion
> in a FWD 5000S, and I've got to say that there are a handful of niggling
> details that need to get worked out (making room for the MT accelerator
> pedal and shift linkage are the major ones, and there are other more
> specific problems that I can skirt as I have a MT engine and exhaust that
> I'll be putting into the car).  The issue of the halfshaft & propshaft
> lengths would be at least one more thing to deal with when 
> contemplating a
> conversion on a V8 ...
> 
> Steve Buchholz
> San Jose, CA (USA)
> > 
> > Hairy green toads from Mars made Kneale Brownson say:
> > 
> > > Maybe the friend should consider the manual tranny option?
> > 
> > Manual tranny V8's are VERY rare.... I've been looking at
> > one here, owned by a fellow lister and coworker, but they
> > are quite hard to come by.
> > 
> 
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