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Re: EPROM Programming



----- Original Message -----
From: "David Posea" <dposea@mindspring.com>
To: <gmecm@diy-efi.org>
Sent: Thursday, August 03, 2000 4:27 PM
Subject: Re: EPROM Programming


> Where is this website with Programming 101 on it? Sounds like I need to do
> some reading!!

http://www.diy-efi.org/gmecm/ecm_info/1227747/
Grumpy


> David
> -----Original Message-----
> From: WEG1192@aol.com <WEG1192@aol.com>
> To: gmecm@diy-efi.org <gmecm@diy-efi.org>
> Date: Thursday, August 03, 2000 2:33 PM
> Subject: EPROM Programming
>
>
> >Hello All,
> >
> >I am interested in modifying my GMECM EPROM. I have read Programming 101
> and
> >the tuning tips. So is it as simple as getting an EPROM burner, getting
> >tuning software like Tunercat, getting their chip TDF file for the ECM
that
> I
> >have, making the changes, and then burning the chip? Will the .bin files
on
> >the DIY-EFI site work without any changes? Or do I have to remove the
VATS
> >and EGR functions? In reading the tuning tips by Dr. Bruce Plecan, it
> appears
> >that you make a change, drive the car, then make another change. Isn't
that
> >very time consuming since you have to reburn the chip every time, or is
he
> >using some real time program he didn't mention?
> >
> >Last, does anyone know if the fuel pressure on a TBI system changes with
> >engine vacuum like it does on a TPI system?
> >
> >Thanks for the help.
> >
> >John Wilson
>

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