Get a new one before you do anything else. The balancer can become dislodged and cause all kinds of damage to the engine, car and anyone around it at speed.
You are luck it has not happened yet.
68' Firebird 400 convertible, numbers matching, solar red w/ deluxe parchment interior. 66' Pontiac Ventura Hardtop 66' Pontiac Catalina Convertible
