Slight crank pulley wobble question

[ubtripn]

Hi all, I want to thank everyone forst for all of the help over the past couple of days. I am almost there, the last problem this engine seems to have is a slight wobble on the crank pulley. (engine is a 69 350). Should I replace the pulley? or replace the both the pulley and the harmonic balancer? and has anybody ever done this with the fan on?

thank a million