Re: Adapting GM ECM to Chrysler Turbo

["Programmer" <nwester@eidnet.org>]

You guys may laugh, but I've had great luck just using compressed
air (fine point trigger) and a soldering iron. Solder "wick" works great,
too. I have trouble with the solder below the board under the PROM. Heat up
the spot--blast it--solder is gone and it doesn't mess up anything, you just
can't stress being "careful". What do you mean by figuring out the ALDL ?
I've got a couple regular scan tools, so I don't worry about trying to use
some software for any reads. They were using 27C128's back in TBI "K" cars
circa 1986. Nothing in these looks familiar to GM...closest Dodge read I
have is an 041. All others are 4 digit--sorry...

Lyndon.

-----Original Message-----
From: Thomas McCabe <mccabet@mediaone.net>
To: gmecm@diy-efi.org <gmecm@diy-efi.org>; gmecm@diy-efi.org
<gmecm@diy-efi.org>
Date: February 2, 2000 6:16 PM
Subject: Re: Adapting GM ECM to Chrysler Turbo


>I just purchased a MP Performance SMEC for '88 T1  The three digit code on
>the rom is: 035, the '88 T1 from a shadow is: 082.
>
>Did you remove the eproms before reading or do you have a way to read them
>without de-soldering?  The 'goo' does not make things easy.  I would be
>interested in the bins you have and what they go to.  I am planning on
>removing these two proms and reading them once I figure out how to get them
>out without destroying the board or the prom.
>
>Did you ever figure out the chrysler ALDL link?
>
>Thanks!
>Tom McCabe
>
>At 08:35 AM 02/01/2000 -0700, Programmer wrote:
>>I have 18 reads right now--my biggest grief with these things is the
>>silicone goo they've got the boxes sealed in. Takes a minimum hour
>>to get to the PROM. Once you get me the number, I can tell you if I've got
>>that one on file or not...otherwise, I guess you could send me your
>>computer. As for software--I've got nothing more than an eprom reader for
>>these at this point...if you think GM is tough, you should read
>>these...basic undone territory. I'll help ya all I can...
>>
>>LW
>>-----Original Message-----
>>From: Thomas McCabe <mccabet@mediaone.net>
>>To: gmecm@diy-efi.org <gmecm@diy-efi.org>; gmecm@diy-efi.org
>><gmecm@diy-efi.org>
>>Date: January 29, 2000 9:38 PM
>>Subject: Re: Adapting GM ECM to Chrysler Turbo
>>
>>
>>>I don't have it handy as I have to go outside and read it.  The SBEC/SMEC
>>>is a '88/'89 vintage.  The engine is an '88 2.2L Turbo II in a '90
Caravan
>>>w/ '89 Electronics.  My current SMEC is a '89 2.2 Turbo I unit.  I have a
>>>2.2 Turbo I SMEC from an '88 Shadow, but I thing the O2 input is bad as
it
>>>is always rich and never fluctuates.
>>>
>>>What program do you have?  Can you share any info so I can pursue
>>>programing a SMEC to meet the requirements I have?
>>>
>>>Thanks for the reply, I'll get some numbers tomorrow after I dig the
>>>vehicle out of the 3 - 6" snow were supposed to get tonight.
>>>
>>>Thanks Again!
>>>Tom McCabe
>>>
>>>At 09:13 AM 01/29/2000 -0700, Programmer wrote:
>>>>Do you know the last 4 digits on your SBEC ? I may have a perf
>>>>program already done...this could save you miles of headaches...
>>>>
>>>>Lyndon.
>>>>-----Original Message-----
>>>>From: Thomas McCabe <mccabet@mediaone.net>
>>>>To: gmecm@diy-efi.org <gmecm@diy-efi.org>; gmecm@diy-efi.org
>>>><gmecm@diy-efi.org>
>>>>Date: January 28, 2000 10:23 PM
>>>>Subject: Re: Adapting GM ECM to Chrysler Turbo
>>>>
>>>>
>>>>>Thanks for the replies,
>>>>>
>>>>>I have no problem using an external regulator for the alternator.  As a
>>>>>mater of fact, it is easy to hook up.  I expected having to use some of
>>the
>>>>>GM sensors. What are the relays?  Chrysler had the fan, ASD, and A/C.
It
>>>>>also had  Canister Purge and Wastegate control.  The wastegate is
>>manually
>>>>>controlled and I really don't care about the canister (even though the
>>EPA
>>>>>does).  The purge could be hooked up when necessary.
>>>>>
>>>>>The chryco distributer has a hall effect pickup that is prone to
failure.
>>>>>I just carry a spare.  It has two pickups in it, one for injector sync
>>and
>>>>>the other for spark.  It was mentioned to adapt a dist. from another
>>>>>vehicle.  How was the Dist in the Sunbirds?  I believe it was mounted
on
>>>>>the head and driven by the cam.
>>>>>
>>>>>Of all the upgrades available, one quit modifying SBECS, another closed
>>the
>>>>>business, MP will not pass emisions, and FM sells a $2200 complete
>>>>>conversion from FelPro (SpeedPro).  I wish to pass emissions when
>>>>>necessary, get better fuel economy, better performance and spend less
>>$$$.
>>>>>
>>>>>Super 60 levels of performance in a streetable machine is desirable,
>>>>>however at this time, My goals are emissions first (have to test this
>>>>>year), and as much performance possible from a stock Turbo II 2.2L w/
>>>>>Intercooler with bolt on items like S60 (+40%) injectors, 3 Bar Map,
etc.
>>>>>I already have the 2.5" exhaust to the rear.
>>>>>
>>>>>Also, a scan tool is no problem as I have the Snap-on MT2500 I
'borrowed'
>>>>>from my brother.
>>>>>
>>>>>Thanks for the Info.  Anyone have an ECM and complete wiring wiring
>>harness
>>>>>w/ sensors and relays available from a 87-90 Turbo Sunbird?
>>>>>
>>>>>Thanks for the input!
>>>>>Tom McCabe
>>>>>
>>>>>At 11:28 PM 01/28/2000 -0500, Thomas Matthews wrote:
>>>>>>I looked into this when I had a Mopar...
>>>>>>1. Ignition is questionable, but if you used the GM module, I think it
>>>>would
>>>>>>work- the Mope is magnetic. This part of my research I did not finish.
>>>>>>The Mopar dist from the mid-late 80's is a piece of crap IMHO, with
some
>>>>>>machine work you may be able to adapt something better.
>>>>>>2 No way around this one... TPS should work though.
>>>>>>3. It is really easy to adapt a CryCo external regulator to take over
>>for
>>>>>>the SBEC- I did it on my car.
>>>>>>4. True- MP, Forward Motion, and someone else (can't remember the name
>>>>>>offhand) have upgrades, but for a custom app the GM ECM is perfect as
>>it's
>>>>>>already hacked, I was planning to go with a 749 in my project before I
>>>>sold
>>>>>>it.
>>>>>>What are you going for- Super 60 type performance or something more?
>>>>>>Tom
>>>>>>
>>>>>>----- Original Message -----
>>>>>>From: "Programmer" <nwester@eidnet.org>
>>>>>>To: <gmecm@diy-efi.org>
>>>>>>Sent: Friday, January 28, 2000 10:39 AM
>>>>>>Subject: Re: Adapting GM ECM to Chrysler Turbo
>>>>>>
>>>>>>
>>>>>>> I'll give you a little discouragement...but maybe you're up for the
>>>>>>> challenge.
>>>>>>>
>>>>>>> 1. Ignition will be difficult to adapt.
>>>>>>> 2. You'll need to use all the GM sensors and harness, relays, etc...
>>>>>>> 3. Charging system is different--SBEC controlled.
>>>>>>> 4. Depending on SBEC, you can already get a performance chip done.
>>>>>>>
>>>>>>> Lyndon.
>>>>>>> -----Original Message-----
>>>>>>> From: Thomas McCabe <mccabet@mediaone.net>
>>>>>>> To: gmecm@diy-efi.org <gmecm@diy-efi.org>; gmecm@diy-efi.org
>>>>>>> <gmecm@diy-efi.org>
>>>>>>> Date: January 27, 2000 10:10 PM
>>>>>>> Subject: Adapting GM ECM to Chrysler Turbo
>>>>>>>
>>>>>>>
>>>>>>> >Good Day,
>>>>>>> > I have been monitoring this list as well as the DIY-EFI lists and
am
>>>>>>> >amazed at the information that is available on the GM ECMs.  Since
>>>>there
>>>>>>is
>>>>>>> >little known of the Chrysler ECMs, I have decided to investigate
>>>>adapting
>>>>>>a
>>>>>>> >GM ECM into my Turbo vehicles.  Now comes the questions...
>>>>>>> >
>>>>>>> >1) Which ECM should I use and what vehicles have it?
>>>>>>> >
>>>>>>> >2) I intend to use a 3 Bar MAP and +40% injectors, can anyone help
me
>>>>>>with
>>>>>>> >a base line cal table for a 2.2L Intercooled engine?
>>>>>>> >
>>>>>>> >3) Can I use a Hall Effect distributer with the GM ECM so I can
keep
>>>>the
>>>>>>> >factory distributer?
>>>>>>> >
>>>>>>> >I am a S/W engineer with H/W experience.  I know the chrysler ECMs
>>>>rather
>>>>>>> >well as to their operation as a black box.  I know little of the
>>>>insides.
>>>>>>> >Any help in this conversion would be appreciated greatly!
>>>>>>> >
>>>>>>> >Thank You!
>>>>>>> >Tom McCabe
>>>>>>> >mccabet@mediaone.net
>>>>>>> >
>>>>>>>
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