[Diy_efi] EEC-IV and EEC-V

[A6intruder]

Dave,

I didn't catch all of your discussion except that listed below but if you
want to tune Ford's EEC IV, I have listed several links below and a very
helpful EEC Tuner discussion forum.  I think there is a TwEECer forum as
well hosted by the same guy.

I am currently running a 1994 Mustang GT with a mild NA setup.  I use the
EEC Tuner, which through the use of a laptop allows me to change injector
sizes, air meter calibration and a whole bunch of other settings as needed.
The 'Tuner also allows me to data log right into the Ford EEC memory for
retrieval and analysis.  I have installed a DIY-WB that is data logged as
well and has a real-time display.  The data logging is very important to see
exactly what is being commanded and then collecting what really happened so
you can make appropriate adjustments.

I think the TwEECer has every bit as much versatility and possibly some
advantages to the EEC Tuner, it is a newer product.  The only real support
for the EEC Tuner is the EEC Tuner discussion forum, I don't know about the
TwEECer.

If you are setting up for a certain class of racing and aren't restricted to
the year of computer, go for the A9L model that was installed in 1993 and
earlier Mustang GT's.  It is the best supported of the models and easier to
tune.  The 1994-5 T4M0 like I have is still pretty flexible but is not as
well understood.

You mention only wanting to change injector size and MAF function and
letting the computer figure out the rest.  That really depends on how wild
your ride is and how good your drivability needs to be.  If you understand
how the EEC works you can get close pretty quickly but it is issues like
cold start and idle at 27 deg F that can add work.  I use my car as a daily
driver, it has to work in all modes.  The nice thing with the EEC Tuner or
the TwEECer is that you can make as many changes and experiment to your
heart's desire for the original $4-500, no charges each time you want to
change like with the custom burned chips.

http://www.iwantperformance.net/cgi-bin/ultimatebb.cgi
This link has archives with many posts with excellent information on tuning
the EEC IV & V.  The site owner, Raymond, also hosts the EEC Tuner
discussion group.

http://autos.groups.yahoo.com/group/EECTuner/
This is the same discussion group, different format.

Have fun.

Daniel R. Nicoson
Equipment Exchange Company
Phone:  (814) 774-0888
Fax:      (814) 774-0880

-----Original Message-----
From: diy_efi-admin at diy-efi.org [mailto:diy_efi-admin at diy-efi.org]On Behalf
Of Dave Dahlgren
Sent: Friday, December 13, 2002 5:20 AM
To: diy_efi at diy-efi.org
Subject: Re: [Diy_efi] EEC-IV and EEC-V

Well that sounds pretty disapointing.. I did see something about a Ford
Motorsport EPEC that seemed to be real time as well, but no one seems to
know
much about it. I wonder if that could be run in real time and then the image
put
into a chip..

I am looking at the tweecker now to see if they are going to be the way to
go..
The only trouble I found with Diablosport so far is that they don't even
have a
contact number on the web site. If the dealer cost was not that bad I might
be
able to roll thiat cost into this project as it is for an SCCA car that has
to
run the EEC-IV but allows many mods to the engine.

Is the EEC-IV smart enough if a mass air car with a large air meter to be
able
to only reprogram the meter meter calibration and the injector size and have
it
figure out the rest, spark tables not with standing.. Those should be easy
enough to program off line and make another pull on the dyno to see how it
went.

Dave


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