Hi, Getting back to everyone on the noise issue and this "baffle". First of all, it is not a baffle or slinger like used in the original transmission. This is used in a Mitchell transmission only and it is strictly a spacer. I have attached photos of both side of the spacer, you will see they are the same. The spacer is designed this way so that there can be no error when it is installed.
Regarding the noise, I remoeved and dis-mantled the Mitchell transmission and discovered defective roller bearings. The same type of problem that has occurred on newly manufactured rear wheel roller bearings is now occurring on transmission roller bearing. They are manufactured very poorly. Mitchell has been excellent with their response & support. They sent me replacement shafts and bearings.
When replacing roller bearings on the Model A, try to find NOS. I will be creating a new post with more details on the subject.