[Gmecm] What mask do I have?

[Brendan Patten]

Now you know your 7730 Pontiac will have the MEMCAL, not flash memory
like the 94/95 ECMs. You will need a eprom reader/writer.

That out of the way.

Read the stock EPROM from the Pontiac 6000 and open up the .bin file in
a hex editor.

On the very first row of data (0000), 3rd column, first bit, will be the
mask ID.

Example, this is from an AUJP 350 TPI.
0000: 02 3B FF FF   FF FF A2 98   8D 00 FA 23   C1 07 0C CD


-----Original Message-----
From: gmecm-bounces at diy-efi.org [mailto:gmecm-bounces at diy-efi.org] On
Behalf Of William Lucke
Sent: Saturday, August 26, 2006 11:57 AM
To: gmecm at diy-efi.org
Subject: [Gmecm] What mask do I have?

1990 Pontiac 6000 *AWD*, 7730, 3.1 V6. The AWD's retained the vacuum
operated EGR when other apps went to the "digital" EGR. What mask do I
have?

My dad just bought TunerCat to work on his Cad 500 Suburban and 400 TPI
Jaguar, both with 94/5 LT1 controls (8051?), so I figure I might as well
get the appropriate definition file for my 6000 and kill the EGR off.




Will

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