Well put, Brett. :thumbup: If I were you, and being somewhat conservative about it, I'd run a 55 shot on stock internals, once your fuel management issues are resolved.
I don't have money set aside for a rebuild if the worst were to happen and I consider anything beyond 75 on a stock B-series to be akin to walking on a highwire... if you fall, it's gonna hurt a lot.
:dunno: My 2.3˘