If you need massive energy naturally aspirated, you’re planning to will need displacement. There's only a lot of air that can be sucked right into a 1.6L engine; This is when the very fashionable “LS VTEC” or “B20V” is available in. “LS VTEC” refers to using a non-vtec B18 that has a VTEC cylinder head.It would harm at first, but most