GM Speed Density for 2.8L W engine

eric schumacher e.schumacher at postoffice.worldnet.att.net
Mon Apr 20 02:45:46 GMT 1998


Hi Chuck

I am located in North Hills in the SF valley at the junction of the 5 & 405 fry.

At 09:34 PM 4/18/98 -0600, you wrote:
>David Garnier wrote:
>> 
>> Bruce
>> 
>> I am a newbee to here but maybe I can contribute something to the
>> group. I own a 86 cebebrity eurosport with 2.8L W engine with the
>> speed density update, maybe I can help here.
>> 
>> The speed density tag on the front passenger shock tower is 10154721.
>> I think that is the service bulletin number because it is also
>> on the ecm's metal prom cover.  The remanufactured ECM number is:
>> 16196344. On the memcal socket-base there is stamped: 86767 with
>> 9030 maybe being the date code.  The prom label reads: ASMZ 0742
>> and there is a thick film ceramic hybrid next to it (the corner
>> which overhags the eprom) with a number of: 5A0213.  Both of these
>> device are solder into the memcal socket (%^&*)!  Any ideas why
>> there is this hybrid?  There is a GM publication for this update
>> and it is listed under the Celebrity section of Helm's publications
>> called: "87-88 driveability and emissions manual section 6E" the
>> pub number of: "ST 399-87/88SD." I think the value of this pub
>> is limited but all of the GM's ECM trouble shooting and circuity
>> is in one small book.
>> 
>> I am trying to dump this eprom, but I have been busy lately.
>> I built a wire wrap socket extension so that I won't have to
>> lift the eprom out and possible crack the ceramic hybrid which
>> overhangs one end; the bastards have soldered these devices onto
>> the memcal socket!  Work's dataio is too damn smart for itself
>> because it wants the exact device number before one can examine
>> it. I understand that there is a selection to disable the prom ID
>> checking but I have been to busy to check.  If you or anyone else
>> is interested, I will send you the prom file when I finally dump it.
>> 
>> dave garnier
>> --
>> 
>> ------------------------------------------------------------------------->
>> Dave Garnier                    Nobody told me that there would be days
>> |
>> University Wisc-Milwaukee       like these, strange days indeed, most
>> |
>> h 414-429-3536                  perculiar mama!         - John Lennon -
>> |
>> w     647-4286
>> |
>> ars  wb9own 44.92.1.8
>> |
>> http://www.uwm.edu/~garnierd
>> |
>> ------------------------------------------------------------------------->
>Was that ECM remanufactured by Delco?
>ASMZ prom fits 87 A body (Celebrity) with 2.8, 4spd auto,
>federal emiss.
>Should be removable.
>
>Shannen
>




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