1227746 ECM

[Bruce Plecan]

-----Original Message-----
From: Don.F.Broadus at ucm.com <Don.F.Broadus at ucm.com>
To: diy_efi at efi332.eng.ohio-state.edu <diy_efi at efi332.eng.ohio-state.edu>
Date: Tuesday, November 03, 1998 1:06 PM
Subject: RE: 1227746 ECM


>Thanks for the advice, I'll stick with the 7747. Where could I get a 350
>auto PROM for a 7747,

While waiting to get the chip burning stuff, just go to gm and ask
for a prom that is about close to what you have.
Bruce

 I'm helping convert a 1981
>Chevy truck to TBI. The ECM I have now is a 7747 ATKX from a 1990 Astro Van
>4.3L V6 .
>
>
>Thanks for the help.
>
>Don
>
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> -----Original Message-----
> From: Bruce Plecan [SMTP:nacelp at bright.net]
> Sent: Monday, November 02, 1998 3:46 PM
> To: diy_efi at efi332.eng.ohio-state.edu
> Subject: Re: 1227746 ECM
>
>
> -----Original Message-----
> From: Don.F.Broadus at ucm.com <Don.F.Broadus at ucm.com>
> To: diy_efi at efi332.eng.ohio-state.edu
><diy_efi at efi332.eng.ohio-state.edu>
> Date: Monday, November 02, 1998 4:06 PM
> Subject: 1227746 ECM
>
>
> >I found a 7746 ECM ( ACDW)  at the local U-Pull- IT .   The donor
>car was a
> >4.3L TBI 1987 Grand Prix this set up seems to be the same as a 1987
>Astro
> >Van with a 7747 ECM  are the ECM's plug and play ?
>
> You really need to get a wiring diagram out, and look.  There are
> sometimes small but meaningful changes from ecm to ecm.  They
> are not the same.  In the passenger car versions they use a IAT.
> Also, the tables will be moved around some I beleive.  If you want
> to tinker with a 747 you need to have a 747.  Some of the advanced
> guys can play some games with adapations, but if your just starting
> out learn the baxics first.
>
> I would also appreciate
> >some help
> >With downloading Bin files, Can a PROM be burned from the data in
>the
> Bin's.
>
> When the correct corresponding parts are used, yes.
> >?
> >
> >Thanks
> >
> >Don
> >
>