Does that info relate to anything 'stock'? Does that Mask ID mean that I have a '$B6' mask ID?

I think I'm doing this right..loaded an xdf of 0E_tpv4_v200.xdf (any reason for using $0E definitions?) in tunerpro, opened my bin and got:

PROM ID: 18976
Platform ID (MSW): 1C86
Platform ID...

I have the file, just trying to figure out how to track it down... I tried an online tool and it couldn't find the mask...poking around in my eprom programmer buffer now to find it...

Pete

OK, digging into more now... Is there a way to analyze the EPROM data I have? Just curious where I would find that data from the chip itself..is there a specific location I would look in the data?
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Thank you for all the detail - I'll start digging in and checking out some of these areas out! I'm really more concerned with finding something that can replace what I'm looking at in front of me,...

I'll try to get some better pictures together...the outside of the case doesn't have any real numbers, just prototype numbers - Basically it's the setup from the mid 80s that GM used to retrofit the...

No, it's a 4 cylinder turbo with injection...no multiple TBIs or 4 barrel (if I'm answering that correctly)...nothing too fancy. Is there any schematics or anything that's been reversed engineered...

Hi everyone,

I have a project at the moment with a GM EFI unit that had some physical modification done to it. Can anyone help point me in the right direction of what this might be traced to? ...