Here is the info for the 700R4 but I don't know if still valid. IIRC when all this was being discussed on AACA forum, someone called and was told the person that had been doing the conversion was no longer there & things had been suspended. I think this was approx 1 yr ago so maybe changed by now. For my 2 bits, a better way to go than the adapter route.
http://www.mikestransmissions.com/Classics/UltraOD.html The TH400 is done by:
JACK NORDSTROM
4975 IH-35 SOUTH
NEW BRAUNFELS TEXAS 78132
He has some picts on the Golden Hawk site:
http://www.1956goldenhawk.com/ For some reason I can't link directly to his info but it is under Options, Technical Items, TH400 Conversion.
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