I barely had to do any grinding to get my NA mounted over a TT flywheel. I did have to shim the starter. Without a tooling plate locating on the mounting holes, I'd doubt anyone could get any meaningful measurements.
"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