Would a 727 out of a 77 Van work in an A body?

I'd like to see a photo of one.

The one in my van had a 904 pan and the tranny shop said it was a heavy 904

A "heavy" 904 could be considered a 998 or 999 trans. But it's still, basically, a 904.

(Hope this link works.)
"Short" 727: http://monkeyads.com/proofs/_47588_79346.jpg