With regards to valve raise, the B16A2 engine incorporates a maximum carry of 9.0mm for the consumption valves and 8.4mm with the exhaust valves. The valve carry and length are adjusted based upon the VTEC engagement, which happens at 5600 RPM. One of many standout functions with the Honda B16A3 https://trentonrsspn.blogrelation.com/37668715/5-easy-facts-about-b16-honda-described