There are no large-RPM general performance cam profiles; this engine is tuned to harmony gasoline economy and energy, as an alternative to present pure efficiency. On the consumption cam, There exists the VTC system which basically can be an computerized self-adjusting cam gear used to continually optimize the valve overlap https://marcotvsok.blogunok.com/27052974/5-simple-statements-about-toyota-4age-engine-for-sale-explained