^What needs rebuilt for the bottom end? I thought they had the same internals? Different crank? Or are you talking about forged internals or just rebuilding the bottom end since the engine will be apart? I did not think that the sc engine had forged internals but I could be wrong. lol
Roots blower how to - V6Power Messageboard That thread has the complete list of everything needed as well as a detailed discussion of what was involved. As you can see it is by far easier to just swap the engines out and do the smaller customizing.