This is basically due to the improved VTEC know-how as well as the increased compression ratio in the B16A2 engine. The amplified displacement and minimized stress in the B18 or B20 engines make them perfect for compelled induction applications. Like several Honda engines, the B16A2 is prone to oil leaks, https://honda-b16b-engine-for-sal31975.sharebyblog.com/32015180/the-fact-about-b16b-that-no-one-is-suggesting