Buy a B18C1 shortblock
Mod the fawk out of it: sleeves, nice big bore, maybe blockguard, Z10 cradle, couple other minor mods
Go 9:1 JE (what do you think? Might keep 9.5:1... dunno)

Take my motor out, swap all the crap over and boost 20+ psi

Thoughts?

Oh, and where can I get a shortblock?