Ok, I understand the easiest way to convert to a th350/400 is to use a manual vb. Ok...simple..I thought. I was looking through some catalogs just to get a general price for this project. When I was looking at different vavle bodies I noticed "full manual" and "manual/auto" What is the difference? And can I use either? I was thinking the manual/auto simply means that you could put it in drive and it will shift normally, but you could also have full control of the shifts if you do it manually???