I had a b20 in my Ek vti some years ago now all i can say is go for it well worth it ! my build was :
B20b bottom end
B18c ITR head
ITR inlet manifold
4-2-1 manifold
2.5" full cat back exhaust systems
de cat
fidanza lightened flywheel
RC 440 injectors
hondata ECU
When mapped...