CudaFactHackJob said

Nothing to it. The bb will probably have different converter imbalance, and the valve bodies might not interchange; depending on the case configuration just in front of the rear servo. And always keep the front planetary matched up with the output shaft. 3 different splines.. All the guts will interchange as a unit. Pump covers changed and forward drums too; some were two ring; some three. Front seals and bushings etc same.

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