904 to 518 swap....??

What car is it going in? As far as I know a 500 \ 518 will not fit an A body (I think B and E bodies too) without cutting out and refabbing the whole torsion bar cross member. The overdrive unit is in the "tail housing" and has no chance of fitting in to the area that the tail of the 904 is in now. I think the same problem comes up with the "hang on the back" overdrive units too. Not saying it can't be done, just that its not "bolt in". Of course with torches and a welder anything can be made to fit.

Somebody makes a generic monkeys 4 speed overdrive with an LA bellhousing pattern, but it is still a generic monkeys transmission.

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