[Shotimes] To service or not to service?

[Robert Bruce]

The computer takes just a few moments to swap out.  As I understand, the
D4U1 has improved shifting controls over the H3Z series.  Results in less
slipping during shifts.  As for a recommendation, I could see improved
shifting in my trans after the swap.  Have also heard others say they saw no
change.  If you are already having problems with your trans, the damage is
done.  Changing the computer doesn't repair it.  You will still need a
rebuild.

Robert Bruce
93 atx


-----Original Message-----
From: Kevin M. Bisch [mailto:kevin624@bellatlantic.net]
Sent: Saturday, July 19, 2003 11:18 PM
To: Robert Bruce; shotimes@autox.team.net
Subject: RE: [Shotimes] To service or not to service?


Interesting post, couple of questions here....

How difficult is it to change out the computer in a 93 for the newer one?

Is this something that you would recommend on a tranny that wasn't newly
rebuilt?


--Kevin


At 04:08 PM 7/19/2003 -0400, you wrote:
>Once the "funky" shifting starts, the damage has already occurred.  It's
>only a matter of time until it fails at this point.  A filter & oil change
>could possibly shorten it's life by some amount, but it is going to die
soon
>anyway.  You will likely do best by saving the service money & plan on a
>complete rebuild soon.  Insist on a Trans Go shift kit and make certain
that
>your shop does the entire set of mods in the kit.  Some trans shops only do
>the most important parts of the kit and don't bother with every single
step.
>There are lots of little details in the kit that need to be addressed.
>
>Also you didn't mention which year your SHO is.  If it's a 93, replace the
>computer with a 94/95 unit.  All 93's have a version of the H3Z computer.
>Go get a D4U1 from a 94 or 95.  They make shifts a bit firmer.  May help
>keep you going a bit longer.  Al Fitz may have on for you.
>http://www.alfitz.com/sho/
>
>I run Valvoline High Mileage ATF.  It worked great at Blackhawk this week.
>
>Robert Bruce
>93 atx
>
>
>-----Original Message-----
>From: shotimes-admin@autox.team.net
>[mailto:shotimes-admin@autox.team.net]On Behalf Of Jonathan Zane
>Sent: Friday, July 18, 2003 10:21 AM
>To: shotimes@autox.team.net
>Subject: [Shotimes] To service or not to service?
>
>
>Over the years I have learned to leave some automatic transmissions alone.
>This is especially true for late 70's and early 80's cars.  Regardless of
>how much you like the like the car and want to keep it tip top, servicing
>certain automatic transmissions would just result in the trans slipping
very
>badly or even not moving at all shortly after the service.  What have
people
>experienced with SHO ATX?  My 140k mile transmission is doing the typical
>high mileage stuff.  No slipping just funky up and down shifts.  I would
>like to service it but if there's any chance of making it worse I'm going
to
>leave the sleeping beast alone.  Also, what fluid is best for a trans with
>this much mileage?
>
>Jonathan Zane KC2ENA
>1988 Mustang LX
>1995 Taurus SHO
>1993 Taurus SHO
>1979 F-150 4x4
>1989 Ford Festiva
>2001 Raptor
>www.njfourwheelers.com/jon.html
>
>[demime 0.99d.1 removed an attachment of type image/gif which had a name of
>kc2ena.gif]
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