Stop in for a cup of coffee

so the Hamtramck historical guy is saying that my transmission for sure came from an E-body.

So either there was a car that got trashed and they saved the transmission out of it or there is a car like one of these roaming around somewhere without its original 4 speed.

its probably JS23?1B150238 OR BS23?1B150238

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My guess is the former. If you're set on finding the car or trying too, might check the E body registry and see if it happens to be there. But odds are, that car is long gone