Concerning valve raise, the B16A2 engine contains a utmost elevate of 9.0mm for your ingestion valves and 8.4mm for the exhaust valves. The valve raise and duration are adjusted dependant on the VTEC engagement, which occurs at 5600 RPM. The hydraulic lash adjusters eliminate the need for normal valve changes, https://jdm-honda-b16b47902.wssblogs.com/31582034/b16-engine-for-sale-fundamentals-explained