Dave Terhune’s – MGA / MGB / BGT Blog: Harmonic Balancer – Kaput

The harmonic balancer / crank pulley had separated from the rubber insert and that the outer part of the pulley was turning independent of the crank.

Read full article at ….. http://mymgcars.blogspot.com/2012/12/harmonic-balancer-kaput.html?m=1