I like Hemirunner's ideas. I think with block fill and a a stout girdle with steel mains would do it.......or come close enough. The thing is though, why chance it? What if it fails? It's gonna fail at the worst possible time. At HIGH RPM under LOTS of boost. It's gonna tear up everything. How much more would an aftermarket block add to an already astronomically expensive build? Why take the risk? But if you do, I think Hemirunner's layout is as "good" a one as you can come up with for a stock block. Now, moving to a big block would be a game changer. More meat, more weight, more metal. I think a big block prepped in the same manor would live better. Honestly though, spending this much, the aftermarket block ain't too far of a jump. JMO.
