If the BB had a larger bore and a shorter stroke wouldn't it be a better platform for higher rpms?
The difference would be marginal. Probably just a matter of where which engine saw peak torque. HotRod did an article on this a while ago, two similar displacements, different bores and strokes. The power was similar but one developed the power sooner. Thought it was actually the engine with the 0longer stroke surprisingly, but I don't remember so I'll keep my mouth shut.
I'm with VZ on this one. If you were able to get similar heads/ comp/ intake flow then the difference would only be a matter of where the engines developed max power. But seeing as how BB heads typically flow much more air and the cam profiles are consequently bigger. If you have the money, and are willing to live with the weight penalty, my money would be on the big block.
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