Basically B16A motors is great with turbos. Its performs better from what i seen.
B18C1 are good bad ass Natural aspirated. of course 20lbs more of tourqe than B16A. Both engines are 10hp difference, but i think B16A engines VTEC kick in Harder. If you go with A b16A. Which I recommend, throw in a set of CTR Cams & ITR valves & Valve springs. Them CTR Cams kicks really hard.