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1981 Cadillac Fleetwood 4-door V-8-6-4
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489 Posts
Discussion Starter #1
ECM for 1981 DFI 368 V-8-6-4 has two PROMs. Several versions of these PROMs were manufactured, some for the first generation ECM and some for the second generation ECM built in 1981 also.

Anyone tried or heard of someone trying to read the code embedded in there, and/or clone these PROMs? I think that would be a neat project to undertake.

(Not sure if this is the right section to post this)
 

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1981 El Dorado V8-6-4
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75 Posts
I have an extra ECM with proms from a 81' donor car that I'm happy to play around with but I don't know the first thing about tuning ECMs. If someone can explain what I need to do I can do it.
 
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