If i switched from a durablend gear oil to royal purple 3 mo. ago, should I put a fresh batch of royal in to..

... make sure all the durablend is out of the mix, because I heard that mixing can cause grime.If i switched from a durablend gear oil to royal purple 3 mo. ago, should I put a fresh batch of royal in to..
yes,you canIf i switched from a durablend gear oil to royal purple 3 mo. ago, should I put a fresh batch of royal in to..
YES drain it, flush it clean with diesel. blow it dry with a air hose that has a water trap in line. reseal and refill with your royal purple. this will al so get the dirt and shaving out

bloom-