I have a 727 that came attached to a 383 in a Duster race car that I purchased. The seller told me that Trans-King had built the trans in early 2000's and it had a reverse manual valve body. I have video of the car going into 1st and reverse on jackstands, so I know it works at that level. It also has a nice 9" converter with a balloon plate. I am having serious second thoughts about installing the 383 into my Duster and contemplating staying small block. Question: I have seen 727 SB cases on ebay for ~$200. Can the internals from the BB 727 be transplanted into the SB case, and if so, how hard would this be to do? Thanks!