727 -> 904

I swapped from a 727 to a 904 last year. The only things I had to change besides the Tranny/Converter were the drive shaft and U joints and slip yoke. I am using an aftermarket shifter though. Dip stick tube from the 727 worked fine.

Ive been told anywere from 15 to 30 horse power less to turn a 904 over the 727 wicj is 1.5 to 3 tenths in the quarter.