info req on 7748 computers

[terryk]

For the Fiero,

84-86 4 Cyl was the 6156 C3
87-88 4 Cyl was the 7748 P4

85 6 Cyl was the 6869 C3 (used only in the Fiero)
86-88 6 Cyl was the 7170 C3 (used only in the Fiero)

According to the Effervescent Ludis Langens, the 6869, 6870 and 7170 are the
same ECM with some slight part loading differences and different in
processor code.



----- Original Message -----
From: "Programmer" <nwester at eidnet.org>
To: <gmecm at diy-efi.org>
Sent: Monday, May 14, 2001 5:07 PM
Subject: Re: Re: info req on 7748 computers


> Oh yeah--that was the V6 comp, right ? What about the older one for the
> 4 cyl ?
>
> ----- Original Message -----
> From: terryk <terryk at foothill.net>
> To: <gmecm at diy-efi.org>
> Sent: Monday, May 14, 2001 5:40 PM
> Subject: Re: Re: info req on 7748 computers
>
>
> > Very different.
> >
> > ----- Original Message -----
> > From: "Programmer" <nwester at eidnet.org>
> > To: <gmecm at diy-efi.org>
> > Sent: Monday, May 14, 2001 4:18 PM
> > Subject: Re: Re: info req on 7748 computers
> >
> >
> > > How close is it to the '170 for the Fiero ?
> > >
> > > Lyndon.
> > >
> > > ----- Original Message -----
> > > From: pat ford <pford at sofcom.com>
> > > To: <gmecm at diy-efi.org>
> > > Sent: Monday, May 14, 2001 12:19 PM
> > > Subject: Re: Re: info req on 7748 computers
> > >
> > >
> > > hmm could have been a j6000, they all look the same to a foreign car
> > > mechanic 8*) it was an LE model. As soon as I down load the code I'll
> > posted
> > > it. Is there any ecu files or hacked bins for it?
> > >
> > > Thanks
> > >
> > >
> > > ---- Begin Original Message ----
> > >  From: Shannen Durphey <shannen at grolen.com>
> > > Sent: Mon, 14 May 2001 12:26:50 -0400
> > > To: gmecm at diy-efi.org
> > > Subject: Re: info req on 7748 computers
> > >
> > > Minor point, but you got that ecm from a 6000, not a J 2000. The J
cars
> > were
> > > never
> > > equipped w/ 2.5.
> > >
> > > Isn't this the same ecm as used in Fieros? Might want to poke around
> > Ludis'
> > > site.
> > > The calibrations I find for that engine (LR8) and 5 speed trans stop
in
> > 1988
> > > with
> > > the Fiero. There are calibrations for another 2.5(L68) w/ 5 speed and
> 7748
> > > in
> > > 1990, including ASLD2107, and ASLF2112. Neither of these are for the
> 6000.
> > >
> > > There are also many other years which list calibrations for this
> > > engine/trans/ecm.
> > > It looks promising for your swap.
> > >
> > > Mind sending the .bin this way?
> > > Shannen
> > >
> > > pat ford wrote:
> > > >
> > > > Hi All;
> > > > yesterday I got a 7748 ( with another number 16145991) and
everything
> > > thing else from a 1990 Pontiac J2000. I snarfed the whole engine
harness
> > all
> > > the sensors, and all the connectors, even the DIS system.
> > > >
> > > > My questions are:
> > > > 1)how close is this to either the 730 or 747 computers ( how much
info
> > is
> > > out there?)
> > > >
> > > > 2) the bcc from the eprom is ATRB 6062 this is a 2.5L 4cyl auto(fwd)
> DIS
> > > system, is there a 5 speed cal for it? what other bins will work??
> > > >
> > > > 3) is ths a good system to put into a car or is it good for play
only?
> > > >
> > > > ps anyone want a copy of the bin when I pull it??
> > > > thanks
> > > >
> > > > Pat Ford
> > > > 12 Strathcona St
> > > > Smith Falls,On
> > > > 613-283-4703
> > > > __________________________________________
> > > > Sent by Sofcom Mail - The world's coolest and safest FREE email
> service.
> > > > http://www.sofcom.com.au
> > >
> >
>
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> > >
> > > ---- End Original Message ----
> > >
> > >
> > >
> > > Pat Ford
> > > 12 Strathcona St
> > > Smith Falls,On
> > > 613-283-4703
> > > __________________________________________
> > > Sent by Sofcom Mail - The world's coolest and safest FREE email
service.
> > > http://www.sofcom.com.au
> >
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