SBC/BBC hybrid

Looks cool, but I don't see them selling more than a couple dozen though. Notice it looks like the main saddles in the caps are welded in? Cool and all, but how expensive/reliable is that? And it's stating it can use either 350 or 400 size main journals. Does that mean that it uses either a 350 or 400 crank? Can't see how with that much bore. Not to mention that it must clearly be a longer block given that it accepts BBC heads. What are those bosses over cylinders 2,3,6 and 7? And that other boss over the #4 cylinder?
That is one seriously specialized block.
 
Yeah, I really don't fully understand how and what they are doing
 
I wonder about a 60 degree big block to save room. It could be crammed into smaller cars.
 
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