How about a pic of the VCVs that you bought on Ebay.
You will need a Mityvac or something similar; do you have one? Retraction - looks like you are not doing your own wrenching.
At this point I vote on the B2; here is a shift chart so you can see what B's and K's are used for shifts:
http://www.peachparts.com/shopforum/attachments/tech-help/95541d1315505905-please-help-560sel-722-350-transmission-problem-screenshot-49.jpg