LS/VTEC is hard to do suitable and you will't do it proper and affordable concurrently. So why bother?Mar 8, 2012 #3 Also depends on the Construct designs...B18B1 engine is ideal for a forced induction setup, though i think the B16A2 is best for your N/A set up. If you plan on retaining the engines inventory (not crafted) the B16A2 may have far mor