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Hey All,

I have a Gen II LT1 engine and transmission pulled from a 96 Impala SS that I plan on swapping into my 65 Cadillac Deville. Issue is I do not have the PCM from the car that the motor/tranny was pulled from nor the VIN. My question is, would it be possible to flash a new PCM using a VIN from an identical car? A friend of mine has a 96 Impala SS with same motor and tranny so I thought about flashing the PCM using his VIN. I have a painless wiring harness with VATS bypass. Appreciate any guidance on this. Thanks.
 
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