Borg Warner T10 identification

[SH69Z28]

I removed a T10 from my 1969 Z/28 when I bought it years ago and I finally decided to do something with it. Hope someone can help identify what it came in originally. The main case is marked "T10-1B", carries what I'm guessing is a date code of "G20-1" and is stamped "WE82-3" vertically behind the side cover. The input shaft is 10 splines with one groove while the output shaft is 16 splines. The tail shaft is dated 8-24-61. Thanks.

[JohnZ]

I removed a T10 from my 1969 Z/28 when I bought it years ago and I finally decided to do something with it. Hope someone can help identify what it came in originally. The main case is marked "T10-1B", carries what I'm guessing is a date code of "G20-1" and is stamped "WE82-3" vertically behind the side cover. The input shaft is 10 splines with one groove while the output shaft is 16 splines. The tail shaft is dated 8-24-61. Thanks.

The T10-1B main case was used from mid-'59 through the end of 1960 in Corvettes, and through 1963 in passenger cars; that one was built on May 8, 1962, on 3rd shift, so it came out of a passenger car.

[SH69Z28]

Thanks John. I presume from your answer that you can't tell which GM division made the car that this trans came out of.

[JohnZ]

Thanks John. I presume from your answer that you can't tell which GM division made the car that this trans came out of.

Not without a partial VIN stamping, and I think Corvette was the only GM car that had the partial VIN stamped on the transmission in 1962.