A904 questions

Numbers don't matter when the vb isn't original, plus the cases changed for different motors in different years. Why is it nobody wants to just look at the case configuration to make sure it fits? They just wanna look up numbers on the intra-web and make their decision based on that. Might as well just try to fix the one ya took out of it. I'm predicting the pan's gonna come offa this one at least three more times, lol.