It's not like a lot of transmissions where the bell housing basically bolts to the trans. It's all one piece back to the center plate. It's far easier to just grind more clearance into the NA bell housing and shim the starter than to go through swapping the castings.
-Dan
"Capitalization is the difference between helping your Uncle Jack off a horse, and helping your uncle jack off a horse." "'she' also likes to swap since I think I am going to need to give her to woody again." - Dvlhntr "full alphabetic boost mode" - ChristopherTheOne " Purrs like a sexually satisfied black panther." - BigTDogg "Two oil eating, angry, spinning triangles of death." - turtleboy on rotary engines