Identify This ECM

[ARTHUR OKUN]

You wrote: 
>
>
>   Can anyone identify it from these numbers:
>
>   Service Number: 1227165
>   Sticker on ROM: Delco ABYA 5400
>   Sticker inside box: 5088365
>   Barcoded sticker on harness connector: 310038212158301
>
>Scot Sealander wrote:
>
>>    Bob, That service number ECM is used in 86-89 Camaro TPI's and 
maybe
>>    Corvettes from the same era.  I don't know from the ABYA whether 
it is
>>    305/350, standard or automatic, but if you could send me the 
code, I
>>    could look at it and tell you what it was intended for, and also
>>    whether the PASSKey is enabled.  (If so, you would have to 
substitute
>>    the PASSKey signal, or modify the EPROM.)
>
>    Ummmm... what code are you looking for?
>
>>    cold start injector.  All model years 86-89 also used a MAF, not 
a MAP
>>    sensor.  If you are looking for a cleaner looking installation, I 
would
>>    consider using a MAP based system.
>
>>    Scot Sealander   FIScot at aol.com
>
>And Peter Wales wrote:
>
>> The ABYA 5400 Eprom goes into a 1987 Camaro
>> L98 Motor 5.7l MFI
>> MD8 Transmission, 4spd Auto
>> Axle GH3 2.77:1
>
>> What else do you need to know?
>
>   Easy way to see if it's alive, without a scan tool, Diacom, or car 
to 
>throw it in.  I'm gonna fire it up tonight and see what the idiot 
light does.
>
>   If it does live, does anyone have a stock MAP Eprom they want to 
get 
>rid of?  Would make the installation much easier.
>
>   Does changing throttle body sizes have any effect on the 
calibration 
>of the unit?  Where it's going I would NOT be using the factory style 
TPI 
>throttle body.
>
>   Since this box would be going on a Olds motor, and the original TPI 

>motor had a electronic distributor, would I be able to just hook the 
>newer distributor module to the Olds pickup (It's got a standard HEI 
in 
>it now) to get the right signals for the ECM?   Does the TPI 
distibutor 
>have a Hall Effect unit in it?
>
>> Peter Wales
>
>    Thanks guys... I got the replies before my message even showed up!
>
>                     -->   Bob Valentine  <--  
>                    --> ravalent at liii.com  <--
>
>
>
you can get an map   updated chip from your local gm dealer  for under 
$50