I am new to this forum. I am also new to Y Blocks. I purchased a 54 2 door ranch wagon about a month ago. It has a 272 Y block with a 3 on the tree trans. The guy I bought it from also gave me a Ford top loader trans with the car that he had planned on installing. I am trying to determine what the trans is from and if it would be suitable to use in this car. Here are the numbers from the I D Tag on the trans. Does anyone have any idea what it is from? Is it a 3 speed overdrive or a 4 speed?

RUG FD ED26

E2 TR BB 0448

Input Shaft - 1 1/16" / 10 spline

Output Shaft - 1 3/16" / 28 spline

If this is a good option, how hard would it be to adapt it to my Y block?

Thanks. 54FordWagon