Finished my engine re-shim in Trial. The engine now smoother & more responsive, the "taktaktak.." sound gone, engine noise lower but still have... maybe is the pulley problem as william said. Really recommend 20V user to do it at least once after engine transplated.
i recall theres some way to by-pass the OEM temperature map for airtrek ECU to start the fans, but seems like the old forum had gone so sifus please help me with this.