How to tell the difference
The 727 has a "bump" in the shape of the pan on the passenger side. The 904 pan is more or less a square. Rebuild it yourself. It's not too difficult with a factory service manual and a couple of basic tools.
The 727 has a "bump" in the shape of the pan on the passenger side. The 904 pan is more or less a square. Rebuild it yourself. It's not too difficult with a factory service manual and a couple of basic tools.