Your current rank will be updated according to your activity number: 30: jr member 60: member 120: ... Because every two weeks you only get a maximum of 14 activity so you have no way to increase the maximum 14 so it is necessary to be patient and post more quality posts than spam to increase post and activity. For a healthy forum
30 to J member, If as you say, must have 42 day (1 post per day ) to get full update rank?