The K20A3 like the CRV/accord/component k24a does not have a typical DOHC VTEC valvetrain as we understand it through the B-sequence engines - the K20A3 must basically be named a "DOHC i-VTEC-E" engine, because it works by using a VTEC-E cam setup. The VTEC isn’t that fantastic, though the K20 https://13b-rew-for-sale03347.collectblogs.com/72503506/5-simple-statements-about-jdm-subaru-engine-explained