Overdrive tranny in an A-body

Agreed.
Ya know what, this is getting thrashed around alot. I've seen articles on thiw topic and the big question is 'Does the floor need to be cut?' My question is why? Why would the hump have to be cut, Chrysler put the same trannies in all cars, 4 speed, 904 or 727. Why would the hump be different from body to body if a 727 would go in it?
The 518 is physically larger than a 727. All 4 speeds were not the same, the a-body one is shorter than the others......

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