The K20A3 similar to the CRV/accord/element k24a doesn't have a standard DOHC VTEC valvetrain as we understand it in the B-collection engines - the K20A3 should truly be known as a "DOHC i-VTEC-E" engine, because it utilizes a VTEC-E cam setup. Spark plugs with a better gap are also vital, https://13b-engine-for-sale-japan14681.blog5.net/68476861/the-5-second-trick-for-jdm-mitsubishi-turbo-4g63t-engine-for-sale