use the LS block, crank, and rods with the B16 pistons, head and ECU.
get new piston rings, bearrings, ARP LS rod blots, ARP GSR head blots and have the bottom end ballanced.
get a new VTEC oil pump, GSR water pump and GSR timming belt and you will have a great all motor LS/VTEC set up! @ 11.4...