The K20A3 much like the CRV/accord/ingredient k24a does not have an ordinary DOHC VTEC valvetrain as we know it from your B-series engines - the K20A3 really should basically be referred to as a "DOHC i-VTEC-E" engine, as it works by using a VTEC-E cam set up. Entrance sump configuration. https://jdmsubaruej20turboenginei15237.blogthisbiz.com/32659101/subaru-ej20-for-sale-secrets